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Finding the Fourth Proportional to 7,471,410.30, 11,207,115.45 and 7,471,410.30

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Solution

The fourth proportional to 7,471,410.30, 11,207,115.45 and 7,471,410.30 is: 11,207,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471,410.30 : 11,207,115.45 = 7,471,410.30 : x
  2. Step 2: Convert to fraction form
    7,471,410.30/11,207,115.45 = 7,471,410.30/x
  3. Step 3: Cross multiply
    7,471,410.30x = 11,207,115.45 × 7,471,410.30
  4. Step 4: Simplify right side
    7,471,410.30x = 83,732,957,806,419.12
  5. Step 5: Solve for x
    x = 83,732,957,806,419.12/7,471,410.30
  6. Step 6: Final answer
    x = 11,207,115.45

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Double scale
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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.