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Finding the Fourth Proportional to 45,305.73, 67,948.07 and 17,229.11

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Solution

The fourth proportional to 45,305.73, 67,948.07 and 17,229.11 is: 25,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,305.73 : 67,948.07 = 17,229.11 : x
  2. Step 2: Convert to fraction form
    45,305.73/67,948.07 = 17,229.11/x
  3. Step 3: Cross multiply
    45,305.73x = 67,948.07 × 17,229.11
  4. Step 4: Simplify right side
    45,305.73x = 1,170,684,346.43
  5. Step 5: Solve for x
    x = 1,170,684,346.43/45,305.73
  6. Step 6: Final answer
    x = 25,839.65

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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.