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Finding the Fourth Proportional to 64,251.68, 96,487.82 and 39,437.44

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Solution

The fourth proportional to 64,251.68, 96,487.82 and 39,437.44 is: 59,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,251.68 : 96,487.82 = 39,437.44 : x
  2. Step 2: Convert to fraction form
    64,251.68/96,487.82 = 39,437.44/x
  3. Step 3: Cross multiply
    64,251.68x = 96,487.82 × 39,437.44
  4. Step 4: Simplify right side
    64,251.68x = 3,805,232,611.98
  5. Step 5: Solve for x
    x = 3,805,232,611.98/64,251.68
  6. Step 6: Final answer
    x = 59,223.86

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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.