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Finding the Fourth Proportional to 61,257.53, 84,537.45 and 34,402.38

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Solution

The fourth proportional to 61,257.53, 84,537.45 and 34,402.38 is: 47,476.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,257.53 : 84,537.45 = 34,402.38 : x
  2. Step 2: Convert to fraction form
    61,257.53/84,537.45 = 34,402.38/x
  3. Step 3: Cross multiply
    61,257.53x = 84,537.45 × 34,402.38
  4. Step 4: Simplify right side
    61,257.53x = 2,908,289,479.13
  5. Step 5: Solve for x
    x = 2,908,289,479.13/61,257.53
  6. Step 6: Final answer
    x = 47,476.44

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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.