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Finding the Fourth Proportional to 61,505.10, 92,252.25 and 17,128.98

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Solution

The fourth proportional to 61,505.10, 92,252.25 and 17,128.98 is: 25,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,505.10 : 92,252.25 = 17,128.98 : x
  2. Step 2: Convert to fraction form
    61,505.10/92,252.25 = 17,128.98/x
  3. Step 3: Cross multiply
    61,505.10x = 92,252.25 × 17,128.98
  4. Step 4: Simplify right side
    61,505.10x = 1,580,186,945.21
  5. Step 5: Solve for x
    x = 1,580,186,945.21/61,505.10
  6. Step 6: Final answer
    x = 25,691.97

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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.