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Finding the Fourth Proportional to 63,171.72, 87,175.62 and 36,313.52

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Solution

The fourth proportional to 63,171.72, 87,175.62 and 36,313.52 is: 50,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,171.72 : 87,175.62 = 36,313.52 : x
  2. Step 2: Convert to fraction form
    63,171.72/87,175.62 = 36,313.52/x
  3. Step 3: Cross multiply
    63,171.72x = 87,175.62 × 36,313.52
  4. Step 4: Simplify right side
    63,171.72x = 3,165,653,620.38
  5. Step 5: Solve for x
    x = 3,165,653,620.38/63,171.72
  6. Step 6: Final answer
    x = 50,111.88

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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.