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Finding the Fourth Proportional to 61,381.71, 84,696.17 and 34,522.11

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Solution

The fourth proportional to 61,381.71, 84,696.17 and 34,522.11 is: 47,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,381.71 : 84,696.17 = 34,522.11 : x
  2. Step 2: Convert to fraction form
    61,381.71/84,696.17 = 34,522.11/x
  3. Step 3: Cross multiply
    61,381.71x = 84,696.17 × 34,522.11
  4. Step 4: Simplify right side
    61,381.71x = 2,923,890,324.71
  5. Step 5: Solve for x
    x = 2,923,890,324.71/61,381.71
  6. Step 6: Final answer
    x = 47,634.55

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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.