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Finding the Fourth Proportional to 63,668.40, 95,502.48 and 16,921.27

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Solution

The fourth proportional to 63,668.40, 95,502.48 and 16,921.27 is: 25,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,668.40 : 95,502.48 = 16,921.27 : x
  2. Step 2: Convert to fraction form
    63,668.40/95,502.48 = 16,921.27/x
  3. Step 3: Cross multiply
    63,668.40x = 95,502.48 × 16,921.27
  4. Step 4: Simplify right side
    63,668.40x = 1,616,023,249.75
  5. Step 5: Solve for x
    x = 1,616,023,249.75/63,668.40
  6. Step 6: Final answer
    x = 25,381.87

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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.