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Finding the Fourth Proportional to 16,765.20, 25,147.80 and 14,869.80

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Solution

The fourth proportional to 16,765.20, 25,147.80 and 14,869.80 is: 22,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.20 : 25,147.80 = 14,869.80 : x
  2. Step 2: Convert to fraction form
    16,765.20/25,147.80 = 14,869.80/x
  3. Step 3: Cross multiply
    16,765.20x = 25,147.80 × 14,869.80
  4. Step 4: Simplify right side
    16,765.20x = 373,942,756.44
  5. Step 5: Solve for x
    x = 373,942,756.44/16,765.20
  6. Step 6: Final answer
    x = 22,304.70

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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.