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Finding the Fourth Proportional to 8,648,711.01, 11,935,470.28 and 4,781,481.28

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Solution

The fourth proportional to 8,648,711.01, 11,935,470.28 and 4,781,481.28 is: 6,598,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648,711.01 : 11,935,470.28 = 4,781,481.28 : x
  2. Step 2: Convert to fraction form
    8,648,711.01/11,935,470.28 = 4,781,481.28/x
  3. Step 3: Cross multiply
    8,648,711.01x = 11,935,470.28 × 4,781,481.28
  4. Step 4: Simplify right side
    8,648,711.01x = 57,069,227,687,908.95
  5. Step 5: Solve for x
    x = 57,069,227,687,908.95/8,648,711.01
  6. Step 6: Final answer
    x = 6,598,581.87

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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.