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Finding the Fourth Proportional to 11,046.70, 16,578.15 and 7,347.70

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Solution

The fourth proportional to 11,046.70, 16,578.15 and 7,347.70 is: 11,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,046.70 : 16,578.15 = 7,347.70 : x
  2. Step 2: Convert to fraction form
    11,046.70/16,578.15 = 7,347.70/x
  3. Step 3: Cross multiply
    11,046.70x = 16,578.15 × 7,347.70
  4. Step 4: Simplify right side
    11,046.70x = 121,811,272.76
  5. Step 5: Solve for x
    x = 121,811,272.76/11,046.70
  6. Step 6: Final answer
    x = 11,026.94

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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.