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Finding the Fourth Proportional to 63,807.31, 95,724.81 and 19,432.92

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Solution

The fourth proportional to 63,807.31, 95,724.81 and 19,432.92 is: 29,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,807.31 : 95,724.81 = 19,432.92 : x
  2. Step 2: Convert to fraction form
    63,807.31/95,724.81 = 19,432.92/x
  3. Step 3: Cross multiply
    63,807.31x = 95,724.81 × 19,432.92
  4. Step 4: Simplify right side
    63,807.31x = 1,860,212,574.75
  5. Step 5: Solve for x
    x = 1,860,212,574.75/63,807.31
  6. Step 6: Final answer
    x = 29,153.60

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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.