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Finding the Fourth Proportional to 57,696.47, 79,623.88 and 32,545.97

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Solution

The fourth proportional to 57,696.47, 79,623.88 and 32,545.97 is: 44,914.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,696.47 : 79,623.88 = 32,545.97 : x
  2. Step 2: Convert to fraction form
    57,696.47/79,623.88 = 32,545.97/x
  3. Step 3: Cross multiply
    57,696.47x = 79,623.88 × 32,545.97
  4. Step 4: Simplify right side
    57,696.47x = 2,591,436,228.87
  5. Step 5: Solve for x
    x = 2,591,436,228.87/57,696.47
  6. Step 6: Final answer
    x = 44,914.99

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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.