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Finding the Fourth Proportional to 7,209,196.46, 9,948,607.04 and 3,901,414.11

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Solution

The fourth proportional to 7,209,196.46, 9,948,607.04 and 3,901,414.11 is: 5,383,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,196.46 : 9,948,607.04 = 3,901,414.11 : x
  2. Step 2: Convert to fraction form
    7,209,196.46/9,948,607.04 = 3,901,414.11/x
  3. Step 3: Cross multiply
    7,209,196.46x = 9,948,607.04 × 3,901,414.11
  4. Step 4: Simplify right side
    7,209,196.46x = 38,813,635,853,147.59
  5. Step 5: Solve for x
    x = 38,813,635,853,147.59/7,209,196.46
  6. Step 6: Final answer
    x = 5,383,905.97

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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.