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Finding the Fourth Proportional to 11,132,572.90, 16,698,859.35 and 11,132,572.90

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Solution

The fourth proportional to 11,132,572.90, 16,698,859.35 and 11,132,572.90 is: 16,698,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132,572.90 : 16,698,859.35 = 11,132,572.90 : x
  2. Step 2: Convert to fraction form
    11,132,572.90/16,698,859.35 = 11,132,572.90/x
  3. Step 3: Cross multiply
    11,132,572.90x = 16,698,859.35 × 11,132,572.90
  4. Step 4: Simplify right side
    11,132,572.90x = 185,901,269,060,721.62
  5. Step 5: Solve for x
    x = 185,901,269,060,721.62/11,132,572.90
  6. Step 6: Final answer
    x = 16,698,859.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.