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Finding the Fourth Proportional to 16,766.70, 25,101.45 and 16,280.70

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Solution

The fourth proportional to 16,766.70, 25,101.45 and 16,280.70 is: 24,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.70 : 25,101.45 = 16,280.70 : x
  2. Step 2: Convert to fraction form
    16,766.70/25,101.45 = 16,280.70/x
  3. Step 3: Cross multiply
    16,766.70x = 25,101.45 × 16,280.70
  4. Step 4: Simplify right side
    16,766.70x = 408,669,177.02
  5. Step 5: Solve for x
    x = 408,669,177.02/16,766.70
  6. Step 6: Final answer
    x = 24,373.86

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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.