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Finding the Fourth Proportional to 63,703.27, 95,581.10 and 28,145.82

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Solution

The fourth proportional to 63,703.27, 95,581.10 and 28,145.82 is: 42,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,703.27 : 95,581.10 = 28,145.82 : x
  2. Step 2: Convert to fraction form
    63,703.27/95,581.10 = 28,145.82/x
  3. Step 3: Cross multiply
    63,703.27x = 95,581.10 × 28,145.82
  4. Step 4: Simplify right side
    63,703.27x = 2,690,208,295.27
  5. Step 5: Solve for x
    x = 2,690,208,295.27/63,703.27
  6. Step 6: Final answer
    x = 42,230.30

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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.