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Finding the Fourth Proportional to 83,736.32, 125,613.12 and 24,571.76

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Solution

The fourth proportional to 83,736.32, 125,613.12 and 24,571.76 is: 36,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,736.32 : 125,613.12 = 24,571.76 : x
  2. Step 2: Convert to fraction form
    83,736.32/125,613.12 = 24,571.76/x
  3. Step 3: Cross multiply
    83,736.32x = 125,613.12 × 24,571.76
  4. Step 4: Simplify right side
    83,736.32x = 3,086,535,437.49
  5. Step 5: Solve for x
    x = 3,086,535,437.49/83,736.32
  6. Step 6: Final answer
    x = 36,860.18

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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.