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Finding the Fourth Proportional to 16,773.80, 25,176.90 and 8,463.20

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Solution

The fourth proportional to 16,773.80, 25,176.90 and 8,463.20 is: 12,702.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,773.80 : 25,176.90 = 8,463.20 : x
  2. Step 2: Convert to fraction form
    16,773.80/25,176.90 = 8,463.20/x
  3. Step 3: Cross multiply
    16,773.80x = 25,176.90 × 8,463.20
  4. Step 4: Simplify right side
    16,773.80x = 213,077,140.08
  5. Step 5: Solve for x
    x = 213,077,140.08/16,773.80
  6. Step 6: Final answer
    x = 12,702.97

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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.