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Finding the Fourth Proportional to 63,487.90, 87,607.11 and 35,192.98

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Solution

The fourth proportional to 63,487.90, 87,607.11 and 35,192.98 is: 48,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,487.90 : 87,607.11 = 35,192.98 : x
  2. Step 2: Convert to fraction form
    63,487.90/87,607.11 = 35,192.98/x
  3. Step 3: Cross multiply
    63,487.90x = 87,607.11 × 35,192.98
  4. Step 4: Simplify right side
    63,487.90x = 3,083,155,270.09
  5. Step 5: Solve for x
    x = 3,083,155,270.09/63,487.90
  6. Step 6: Final answer
    x = 48,562.88

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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.