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Finding the Fourth Proportional to 62,766.84, 86,622.48 and 34,472.82

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Solution

The fourth proportional to 62,766.84, 86,622.48 and 34,472.82 is: 47,574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,766.84 : 86,622.48 = 34,472.82 : x
  2. Step 2: Convert to fraction form
    62,766.84/86,622.48 = 34,472.82/x
  3. Step 3: Cross multiply
    62,766.84x = 86,622.48 × 34,472.82
  4. Step 4: Simplify right side
    62,766.84x = 2,986,121,160.99
  5. Step 5: Solve for x
    x = 2,986,121,160.99/62,766.84
  6. Step 6: Final answer
    x = 47,574.82

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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.