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Finding the Fourth Proportional to 48,139.59, 72,244.87 and 22,839.20

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Solution

The fourth proportional to 48,139.59, 72,244.87 and 22,839.20 is: 34,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,139.59 : 72,244.87 = 22,839.20 : x
  2. Step 2: Convert to fraction form
    48,139.59/72,244.87 = 22,839.20/x
  3. Step 3: Cross multiply
    48,139.59x = 72,244.87 × 22,839.20
  4. Step 4: Simplify right side
    48,139.59x = 1,650,015,158.42
  5. Step 5: Solve for x
    x = 1,650,015,158.42/48,139.59
  6. Step 6: Final answer
    x = 34,275.64

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1.5x scale

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.