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Finding the Fourth Proportional to 63,373.62, 87,449.64 and 37,874.88

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Solution

The fourth proportional to 63,373.62, 87,449.64 and 37,874.88 is: 52,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,373.62 : 87,449.64 = 37,874.88 : x
  2. Step 2: Convert to fraction form
    63,373.62/87,449.64 = 37,874.88/x
  3. Step 3: Cross multiply
    63,373.62x = 87,449.64 × 37,874.88
  4. Step 4: Simplify right side
    63,373.62x = 3,312,144,621.04
  5. Step 5: Solve for x
    x = 3,312,144,621.04/63,373.62
  6. Step 6: Final answer
    x = 52,263.78

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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.