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Finding the Fourth Proportional to 63,700.02, 87,902.82 and 35,400.24

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Solution

The fourth proportional to 63,700.02, 87,902.82 and 35,400.24 is: 48,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,700.02 : 87,902.82 = 35,400.24 : x
  2. Step 2: Convert to fraction form
    63,700.02/87,902.82 = 35,400.24/x
  3. Step 3: Cross multiply
    63,700.02x = 87,902.82 × 35,400.24
  4. Step 4: Simplify right side
    63,700.02x = 3,111,780,924.68
  5. Step 5: Solve for x
    x = 3,111,780,924.68/63,700.02
  6. Step 6: Final answer
    x = 48,850.55

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Double scale
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Similar ratio
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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.