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Finding the Fourth Proportional to 63,376.59, 95,064.62 and 15,991.79

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Solution

The fourth proportional to 63,376.59, 95,064.62 and 15,991.79 is: 23,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,376.59 : 95,064.62 = 15,991.79 : x
  2. Step 2: Convert to fraction form
    63,376.59/95,064.62 = 15,991.79/x
  3. Step 3: Cross multiply
    63,376.59x = 95,064.62 × 15,991.79
  4. Step 4: Simplify right side
    63,376.59x = 1,520,253,439.47
  5. Step 5: Solve for x
    x = 1,520,253,439.47/63,376.59
  6. Step 6: Final answer
    x = 23,987.62

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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.