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Finding the Fourth Proportional to 61,715.52, 92,560.80 and 17,344.32

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Solution

The fourth proportional to 61,715.52, 92,560.80 and 17,344.32 is: 26,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,715.52 : 92,560.80 = 17,344.32 : x
  2. Step 2: Convert to fraction form
    61,715.52/92,560.80 = 17,344.32/x
  3. Step 3: Cross multiply
    61,715.52x = 92,560.80 × 17,344.32
  4. Step 4: Simplify right side
    61,715.52x = 1,605,404,134.66
  5. Step 5: Solve for x
    x = 1,605,404,134.66/61,715.52
  6. Step 6: Final answer
    x = 26,012.97

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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.