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Finding the Fourth Proportional to 63,842.88, 95,779.83 and 19,470.42

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Solution

The fourth proportional to 63,842.88, 95,779.83 and 19,470.42 is: 29,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,842.88 : 95,779.83 = 19,470.42 : x
  2. Step 2: Convert to fraction form
    63,842.88/95,779.83 = 19,470.42/x
  3. Step 3: Cross multiply
    63,842.88x = 95,779.83 × 19,470.42
  4. Step 4: Simplify right side
    63,842.88x = 1,864,873,517.63
  5. Step 5: Solve for x
    x = 1,864,873,517.63/63,842.88
  6. Step 6: Final answer
    x = 29,210.36

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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.