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Finding the Fourth Proportional to 61,396.57, 84,732.19 and 34,537.48

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Solution

The fourth proportional to 61,396.57, 84,732.19 and 34,537.48 is: 47,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,396.57 : 84,732.19 = 34,537.48 : x
  2. Step 2: Convert to fraction form
    61,396.57/84,732.19 = 34,537.48/x
  3. Step 3: Cross multiply
    61,396.57x = 84,732.19 × 34,537.48
  4. Step 4: Simplify right side
    61,396.57x = 2,926,435,721.13
  5. Step 5: Solve for x
    x = 2,926,435,721.13/61,396.57
  6. Step 6: Final answer
    x = 47,664.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.