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Finding the Fourth Proportional to 36,257.97, 50,035.95 and 20,343.90

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Solution

The fourth proportional to 36,257.97, 50,035.95 and 20,343.90 is: 28,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,257.97 : 50,035.95 = 20,343.90 : x
  2. Step 2: Convert to fraction form
    36,257.97/50,035.95 = 20,343.90/x
  3. Step 3: Cross multiply
    36,257.97x = 50,035.95 × 20,343.90
  4. Step 4: Simplify right side
    36,257.97x = 1,017,926,363.21
  5. Step 5: Solve for x
    x = 1,017,926,363.21/36,257.97
  6. Step 6: Final answer
    x = 28,074.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.