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Finding the Fourth Proportional to 61,663.53, 92,484.88 and 17,280.08

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Solution

The fourth proportional to 61,663.53, 92,484.88 and 17,280.08 is: 25,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,663.53 : 92,484.88 = 17,280.08 : x
  2. Step 2: Convert to fraction form
    61,663.53/92,484.88 = 17,280.08/x
  3. Step 3: Cross multiply
    61,663.53x = 92,484.88 × 17,280.08
  4. Step 4: Simplify right side
    61,663.53x = 1,598,145,966.38
  5. Step 5: Solve for x
    x = 1,598,145,966.38/61,663.53
  6. Step 6: Final answer
    x = 25,917.20

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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.