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Finding the Fourth Proportional to 63,663.93, 95,473.31 and 18,672.75

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Solution

The fourth proportional to 63,663.93, 95,473.31 and 18,672.75 is: 28,002.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,663.93 : 95,473.31 = 18,672.75 : x
  2. Step 2: Convert to fraction form
    63,663.93/95,473.31 = 18,672.75/x
  3. Step 3: Cross multiply
    63,663.93x = 95,473.31 × 18,672.75
  4. Step 4: Simplify right side
    63,663.93x = 1,782,749,155.94
  5. Step 5: Solve for x
    x = 1,782,749,155.94/63,663.93
  6. Step 6: Final answer
    x = 28,002.50

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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.