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Finding the Fourth Proportional to 63,921.52, 95,886.72 and 19,544.86

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Solution

The fourth proportional to 63,921.52, 95,886.72 and 19,544.86 is: 29,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,921.52 : 95,886.72 = 19,544.86 : x
  2. Step 2: Convert to fraction form
    63,921.52/95,886.72 = 19,544.86/x
  3. Step 3: Cross multiply
    63,921.52x = 95,886.72 × 19,544.86
  4. Step 4: Simplify right side
    63,921.52x = 1,874,092,518.26
  5. Step 5: Solve for x
    x = 1,874,092,518.26/63,921.52
  6. Step 6: Final answer
    x = 29,318.65

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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.