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Finding the Fourth Proportional to 16,454.40, 24,665.40 and 8,135.70

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Solution

The fourth proportional to 16,454.40, 24,665.40 and 8,135.70 is: 12,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,454.40 : 24,665.40 = 8,135.70 : x
  2. Step 2: Convert to fraction form
    16,454.40/24,665.40 = 8,135.70/x
  3. Step 3: Cross multiply
    16,454.40x = 24,665.40 × 8,135.70
  4. Step 4: Simplify right side
    16,454.40x = 200,670,294.78
  5. Step 5: Solve for x
    x = 200,670,294.78/16,454.40
  6. Step 6: Final answer
    x = 12,195.54

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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.