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Finding the Fourth Proportional to 62,588.46, 86,380.11 and 35,724.81

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Solution

The fourth proportional to 62,588.46, 86,380.11 and 35,724.81 is: 49,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,588.46 : 86,380.11 = 35,724.81 : x
  2. Step 2: Convert to fraction form
    62,588.46/86,380.11 = 35,724.81/x
  3. Step 3: Cross multiply
    62,588.46x = 86,380.11 × 35,724.81
  4. Step 4: Simplify right side
    62,588.46x = 3,085,913,017.53
  5. Step 5: Solve for x
    x = 3,085,913,017.53/62,588.46
  6. Step 6: Final answer
    x = 49,304.82

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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.