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Finding the Fourth Proportional to 57,920.28, 79,924.12 and 32,424.99

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Solution

The fourth proportional to 57,920.28, 79,924.12 and 32,424.99 is: 44,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,920.28 : 79,924.12 = 32,424.99 : x
  2. Step 2: Convert to fraction form
    57,920.28/79,924.12 = 32,424.99/x
  3. Step 3: Cross multiply
    57,920.28x = 79,924.12 × 32,424.99
  4. Step 4: Simplify right side
    57,920.28x = 2,591,538,791.76
  5. Step 5: Solve for x
    x = 2,591,538,791.76/57,920.28
  6. Step 6: Final answer
    x = 44,743.20

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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.