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Finding the Fourth Proportional to 63,671.56, 95,474.50 and 28,581.12

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Solution

The fourth proportional to 63,671.56, 95,474.50 and 28,581.12 is: 42,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,671.56 : 95,474.50 = 28,581.12 : x
  2. Step 2: Convert to fraction form
    63,671.56/95,474.50 = 28,581.12/x
  3. Step 3: Cross multiply
    63,671.56x = 95,474.50 × 28,581.12
  4. Step 4: Simplify right side
    63,671.56x = 2,728,768,141.44
  5. Step 5: Solve for x
    x = 2,728,768,141.44/63,671.56
  6. Step 6: Final answer
    x = 42,856.94

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1.5x scale

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.