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Finding the Fourth Proportional to 63,394.88, 87,470.16 and 37,909.52

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Solution

The fourth proportional to 63,394.88, 87,470.16 and 37,909.52 is: 52,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,394.88 : 87,470.16 = 37,909.52 : x
  2. Step 2: Convert to fraction form
    63,394.88/87,470.16 = 37,909.52/x
  3. Step 3: Cross multiply
    63,394.88x = 87,470.16 × 37,909.52
  4. Step 4: Simplify right side
    63,394.88x = 3,315,951,779.92
  5. Step 5: Solve for x
    x = 3,315,951,779.92/63,394.88
  6. Step 6: Final answer
    x = 52,306.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.