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Finding the Fourth Proportional to 36,655.46, 50,582.31 and 20,744.90

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Solution

The fourth proportional to 36,655.46, 50,582.31 and 20,744.90 is: 28,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,655.46 : 50,582.31 = 20,744.90 : x
  2. Step 2: Convert to fraction form
    36,655.46/50,582.31 = 20,744.90/x
  3. Step 3: Cross multiply
    36,655.46x = 50,582.31 × 20,744.90
  4. Step 4: Simplify right side
    36,655.46x = 1,049,324,962.72
  5. Step 5: Solve for x
    x = 1,049,324,962.72/36,655.46
  6. Step 6: Final answer
    x = 28,626.70

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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.