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Finding the Fourth Proportional to 83,478.61, 125,229.62 and 27,323.13

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Solution

The fourth proportional to 83,478.61, 125,229.62 and 27,323.13 is: 40,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,478.61 : 125,229.62 = 27,323.13 : x
  2. Step 2: Convert to fraction form
    83,478.61/125,229.62 = 27,323.13/x
  3. Step 3: Cross multiply
    83,478.61x = 125,229.62 × 27,323.13
  4. Step 4: Simplify right side
    83,478.61x = 3,421,665,255.42
  5. Step 5: Solve for x
    x = 3,421,665,255.42/83,478.61
  6. Step 6: Final answer
    x = 40,988.53

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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.