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Finding the Fourth Proportional to 61,626.42, 84,966.17 and 41,440.41

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Solution

The fourth proportional to 61,626.42, 84,966.17 and 41,440.41 is: 57,135.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,626.42 : 84,966.17 = 41,440.41 : x
  2. Step 2: Convert to fraction form
    61,626.42/84,966.17 = 41,440.41/x
  3. Step 3: Cross multiply
    61,626.42x = 84,966.17 × 41,440.41
  4. Step 4: Simplify right side
    61,626.42x = 3,521,032,713.73
  5. Step 5: Solve for x
    x = 3,521,032,713.73/61,626.42
  6. Step 6: Final answer
    x = 57,135.12

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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.