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Finding the Fourth Proportional to 40,369.80, 60,685.92 and 36,229.08

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Solution

The fourth proportional to 40,369.80, 60,685.92 and 36,229.08 is: 54,461.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,369.80 : 60,685.92 = 36,229.08 : x
  2. Step 2: Convert to fraction form
    40,369.80/60,685.92 = 36,229.08/x
  3. Step 3: Cross multiply
    40,369.80x = 60,685.92 × 36,229.08
  4. Step 4: Simplify right side
    40,369.80x = 2,198,595,050.55
  5. Step 5: Solve for x
    x = 2,198,595,050.55/40,369.80
  6. Step 6: Final answer
    x = 54,461.38

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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.