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Finding the Fourth Proportional to 61,691.67, 92,537.12 and 17,318.46

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Solution

The fourth proportional to 61,691.67, 92,537.12 and 17,318.46 is: 25,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,691.67 : 92,537.12 = 17,318.46 : x
  2. Step 2: Convert to fraction form
    61,691.67/92,537.12 = 17,318.46/x
  3. Step 3: Cross multiply
    61,691.67x = 92,537.12 × 17,318.46
  4. Step 4: Simplify right side
    61,691.67x = 1,602,600,324.64
  5. Step 5: Solve for x
    x = 1,602,600,324.64/61,691.67
  6. Step 6: Final answer
    x = 25,977.58

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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.