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Finding the Fourth Proportional to 16,481.81, 24,725.82 and 6,621.85

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Solution

The fourth proportional to 16,481.81, 24,725.82 and 6,621.85 is: 9,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,481.81 : 24,725.82 = 6,621.85 : x
  2. Step 2: Convert to fraction form
    16,481.81/24,725.82 = 6,621.85/x
  3. Step 3: Cross multiply
    16,481.81x = 24,725.82 × 6,621.85
  4. Step 4: Simplify right side
    16,481.81x = 163,730,726.91
  5. Step 5: Solve for x
    x = 163,730,726.91/16,481.81
  6. Step 6: Final answer
    x = 9,934.02

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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.