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Finding the Fourth Proportional to 7,355,411.70, 11,012,122.35 and 7,355,411.70

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Solution

The fourth proportional to 7,355,411.70, 11,012,122.35 and 7,355,411.70 is: 11,012,122.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355,411.70 : 11,012,122.35 = 7,355,411.70 : x
  2. Step 2: Convert to fraction form
    7,355,411.70/11,012,122.35 = 7,355,411.70/x
  3. Step 3: Cross multiply
    7,355,411.70x = 11,012,122.35 × 7,355,411.70
  4. Step 4: Simplify right side
    7,355,411.70x = 80,998,693,575,021.50
  5. Step 5: Solve for x
    x = 80,998,693,575,021.50/7,355,411.70
  6. Step 6: Final answer
    x = 11,012,122.35

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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.