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Finding the Fourth Proportional to 5,681,167.07, 8,522,948.90 and 1,842,691.38

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Solution

The fourth proportional to 5,681,167.07, 8,522,948.90 and 1,842,691.38 is: 2,764,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681,167.07 : 8,522,948.90 = 1,842,691.38 : x
  2. Step 2: Convert to fraction form
    5,681,167.07/8,522,948.90 = 1,842,691.38/x
  3. Step 3: Cross multiply
    5,681,167.07x = 8,522,948.90 × 1,842,691.38
  4. Step 4: Simplify right side
    5,681,167.07x = 15,705,164,442,856.15
  5. Step 5: Solve for x
    x = 15,705,164,442,856.15/5,681,167.07
  6. Step 6: Final answer
    x = 2,764,425.74

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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.