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Finding the Fourth Proportional to 63,791.32, 95,654.82 and 19,409.56

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Solution

The fourth proportional to 63,791.32, 95,654.82 and 19,409.56 is: 29,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,791.32 : 95,654.82 = 19,409.56 : x
  2. Step 2: Convert to fraction form
    63,791.32/95,654.82 = 19,409.56/x
  3. Step 3: Cross multiply
    63,791.32x = 95,654.82 × 19,409.56
  4. Step 4: Simplify right side
    63,791.32x = 1,856,617,968.08
  5. Step 5: Solve for x
    x = 1,856,617,968.08/63,791.32
  6. Step 6: Final answer
    x = 29,104.55

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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.