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Finding the Fourth Proportional to 63,645.92, 95,471.44 and 16,899.20

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Solution

The fourth proportional to 63,645.92, 95,471.44 and 16,899.20 is: 25,349.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,645.92 : 95,471.44 = 16,899.20 : x
  2. Step 2: Convert to fraction form
    63,645.92/95,471.44 = 16,899.20/x
  3. Step 3: Cross multiply
    63,645.92x = 95,471.44 × 16,899.20
  4. Step 4: Simplify right side
    63,645.92x = 1,613,390,958.85
  5. Step 5: Solve for x
    x = 1,613,390,958.85/63,645.92
  6. Step 6: Final answer
    x = 25,349.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.