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Finding the Fourth Proportional to 16,621.73, 24,911.80 and 8,304.08

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Solution

The fourth proportional to 16,621.73, 24,911.80 and 8,304.08 is: 12,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.73 : 24,911.80 = 8,304.08 : x
  2. Step 2: Convert to fraction form
    16,621.73/24,911.80 = 8,304.08/x
  3. Step 3: Cross multiply
    16,621.73x = 24,911.80 × 8,304.08
  4. Step 4: Simplify right side
    16,621.73x = 206,869,434.82
  5. Step 5: Solve for x
    x = 206,869,434.82/16,621.73
  6. Step 6: Final answer
    x = 12,445.73

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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.