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Finding the Fourth Proportional to 29,633.60, 44,456.16 and 8,856.64

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Solution

The fourth proportional to 29,633.60, 44,456.16 and 8,856.64 is: 13,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,633.60 : 44,456.16 = 8,856.64 : x
  2. Step 2: Convert to fraction form
    29,633.60/44,456.16 = 8,856.64/x
  3. Step 3: Cross multiply
    29,633.60x = 44,456.16 × 8,856.64
  4. Step 4: Simplify right side
    29,633.60x = 393,732,204.90
  5. Step 5: Solve for x
    x = 393,732,204.90/29,633.60
  6. Step 6: Final answer
    x = 13,286.68

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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.