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Finding the Fourth Proportional to 61,502.88, 92,252.68 and 17,127.84

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Solution

The fourth proportional to 61,502.88, 92,252.68 and 17,127.84 is: 25,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,502.88 : 92,252.68 = 17,127.84 : x
  2. Step 2: Convert to fraction form
    61,502.88/92,252.68 = 17,127.84/x
  3. Step 3: Cross multiply
    61,502.88x = 92,252.68 × 17,127.84
  4. Step 4: Simplify right side
    61,502.88x = 1,580,089,142.61
  5. Step 5: Solve for x
    x = 1,580,089,142.61/61,502.88
  6. Step 6: Final answer
    x = 25,691.30

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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.