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Finding the Fourth Proportional to 16,752.40, 25,128.60 and 15,245.80

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Solution

The fourth proportional to 16,752.40, 25,128.60 and 15,245.80 is: 22,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,752.40 : 25,128.60 = 15,245.80 : x
  2. Step 2: Convert to fraction form
    16,752.40/25,128.60 = 15,245.80/x
  3. Step 3: Cross multiply
    16,752.40x = 25,128.60 × 15,245.80
  4. Step 4: Simplify right side
    16,752.40x = 383,105,609.88
  5. Step 5: Solve for x
    x = 383,105,609.88/16,752.40
  6. Step 6: Final answer
    x = 22,868.70

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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.