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Finding the Fourth Proportional to 9,862,603.43, 13,609,213.82 and 5,451,733.19

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Solution

The fourth proportional to 9,862,603.43, 13,609,213.82 and 5,451,733.19 is: 7,522,740.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862,603.43 : 13,609,213.82 = 5,451,733.19 : x
  2. Step 2: Convert to fraction form
    9,862,603.43/13,609,213.82 = 5,451,733.19/x
  3. Step 3: Cross multiply
    9,862,603.43x = 13,609,213.82 × 5,451,733.19
  4. Step 4: Simplify right side
    9,862,603.43x = 74,193,802,745,470.33
  5. Step 5: Solve for x
    x = 74,193,802,745,470.33/9,862,603.43
  6. Step 6: Final answer
    x = 7,522,740.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.