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Finding the Fourth Proportional to 57,419.97, 79,229.95 and 31,925.62

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Solution

The fourth proportional to 57,419.97, 79,229.95 and 31,925.62 is: 44,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,419.97 : 79,229.95 = 31,925.62 : x
  2. Step 2: Convert to fraction form
    57,419.97/79,229.95 = 31,925.62/x
  3. Step 3: Cross multiply
    57,419.97x = 79,229.95 × 31,925.62
  4. Step 4: Simplify right side
    57,419.97x = 2,529,465,276.32
  5. Step 5: Solve for x
    x = 2,529,465,276.32/57,419.97
  6. Step 6: Final answer
    x = 44,052.01

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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.