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Finding the Fourth Proportional to 16,641.96, 24,945.18 and 8,305.56

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Solution

The fourth proportional to 16,641.96, 24,945.18 and 8,305.56 is: 12,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,641.96 : 24,945.18 = 8,305.56 : x
  2. Step 2: Convert to fraction form
    16,641.96/24,945.18 = 8,305.56/x
  3. Step 3: Cross multiply
    16,641.96x = 24,945.18 × 8,305.56
  4. Step 4: Simplify right side
    16,641.96x = 207,183,689.20
  5. Step 5: Solve for x
    x = 207,183,689.20/16,641.96
  6. Step 6: Final answer
    x = 12,449.48

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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.