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Finding the Fourth Proportional to 48,139.71, 72,245.06 and 22,839.33

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Solution

The fourth proportional to 48,139.71, 72,245.06 and 22,839.33 is: 34,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,139.71 : 72,245.06 = 22,839.33 : x
  2. Step 2: Convert to fraction form
    48,139.71/72,245.06 = 22,839.33/x
  3. Step 3: Cross multiply
    48,139.71x = 72,245.06 × 22,839.33
  4. Step 4: Simplify right side
    48,139.71x = 1,650,028,652.01
  5. Step 5: Solve for x
    x = 1,650,028,652.01/48,139.71
  6. Step 6: Final answer
    x = 34,275.83

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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.