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Finding the Fourth Proportional to 59,382.75, 81,945.80 and 35,522.61

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Solution

The fourth proportional to 59,382.75, 81,945.80 and 35,522.61 is: 49,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,382.75 : 81,945.80 = 35,522.61 : x
  2. Step 2: Convert to fraction form
    59,382.75/81,945.80 = 35,522.61/x
  3. Step 3: Cross multiply
    59,382.75x = 81,945.80 × 35,522.61
  4. Step 4: Simplify right side
    59,382.75x = 2,910,928,516.92
  5. Step 5: Solve for x
    x = 2,910,928,516.92/59,382.75
  6. Step 6: Final answer
    x = 49,019.77

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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.