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Finding the Fourth Proportional to 6,753,541.92, 9,319,877.13 and 3,656,064.43

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Solution

The fourth proportional to 6,753,541.92, 9,319,877.13 and 3,656,064.43 is: 5,045,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753,541.92 : 9,319,877.13 = 3,656,064.43 : x
  2. Step 2: Convert to fraction form
    6,753,541.92/9,319,877.13 = 3,656,064.43/x
  3. Step 3: Cross multiply
    6,753,541.92x = 9,319,877.13 × 3,656,064.43
  4. Step 4: Simplify right side
    6,753,541.92x = 34,074,071,266,963.49
  5. Step 5: Solve for x
    x = 34,074,071,266,963.49/6,753,541.92
  6. Step 6: Final answer
    x = 5,045,363.11

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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.