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Finding the Fourth Proportional to 63,565.60, 87,720.52 and 35,275.84

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Solution

The fourth proportional to 63,565.60, 87,720.52 and 35,275.84 is: 48,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,565.60 : 87,720.52 = 35,275.84 : x
  2. Step 2: Convert to fraction form
    63,565.60/87,720.52 = 35,275.84/x
  3. Step 3: Cross multiply
    63,565.60x = 87,720.52 × 35,275.84
  4. Step 4: Simplify right side
    63,565.60x = 3,094,414,589.63
  5. Step 5: Solve for x
    x = 3,094,414,589.63/63,565.60
  6. Step 6: Final answer
    x = 48,680.65

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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.