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Finding the Fourth Proportional to 63,671.12, 95,473.72 and 28,580.56

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Solution

The fourth proportional to 63,671.12, 95,473.72 and 28,580.56 is: 42,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,671.12 : 95,473.72 = 28,580.56 : x
  2. Step 2: Convert to fraction form
    63,671.12/95,473.72 = 28,580.56/x
  3. Step 3: Cross multiply
    63,671.12x = 95,473.72 × 28,580.56
  4. Step 4: Simplify right side
    63,671.12x = 2,728,692,382.88
  5. Step 5: Solve for x
    x = 2,728,692,382.88/63,671.12
  6. Step 6: Final answer
    x = 42,856.04

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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.