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Finding the Fourth Proportional to 62,116.30, 85,717.92 and 33,821.92

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Solution

The fourth proportional to 62,116.30, 85,717.92 and 33,821.92 is: 46,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,116.30 : 85,717.92 = 33,821.92 : x
  2. Step 2: Convert to fraction form
    62,116.30/85,717.92 = 33,821.92/x
  3. Step 3: Cross multiply
    62,116.30x = 85,717.92 × 33,821.92
  4. Step 4: Simplify right side
    62,116.30x = 2,899,144,632.81
  5. Step 5: Solve for x
    x = 2,899,144,632.81/62,116.30
  6. Step 6: Final answer
    x = 46,672.85

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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.