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Finding the Fourth Proportional to 57,625.60, 86,503.20 and 34,265.20

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Solution

The fourth proportional to 57,625.60, 86,503.20 and 34,265.20 is: 51,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,625.60 : 86,503.20 = 34,265.20 : x
  2. Step 2: Convert to fraction form
    57,625.60/86,503.20 = 34,265.20/x
  3. Step 3: Cross multiply
    57,625.60x = 86,503.20 × 34,265.20
  4. Step 4: Simplify right side
    57,625.60x = 2,964,049,448.64
  5. Step 5: Solve for x
    x = 2,964,049,448.64/57,625.60
  6. Step 6: Final answer
    x = 51,436.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.