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Finding the Fourth Proportional to 62,393.16, 86,123.10 and 49,669.68

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Solution

The fourth proportional to 62,393.16, 86,123.10 and 49,669.68 is: 68,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,393.16 : 86,123.10 = 49,669.68 : x
  2. Step 2: Convert to fraction form
    62,393.16/86,123.10 = 49,669.68/x
  3. Step 3: Cross multiply
    62,393.16x = 86,123.10 × 49,669.68
  4. Step 4: Simplify right side
    62,393.16x = 4,277,706,817.61
  5. Step 5: Solve for x
    x = 4,277,706,817.61/62,393.16
  6. Step 6: Final answer
    x = 68,560.51

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1.5x scale

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.