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Finding the Fourth Proportional to 15,000.20, 22,451.70 and 13,250.60

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Solution

The fourth proportional to 15,000.20, 22,451.70 and 13,250.60 is: 19,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.20 : 22,451.70 = 13,250.60 : x
  2. Step 2: Convert to fraction form
    15,000.20/22,451.70 = 13,250.60/x
  3. Step 3: Cross multiply
    15,000.20x = 22,451.70 × 13,250.60
  4. Step 4: Simplify right side
    15,000.20x = 297,498,496.02
  5. Step 5: Solve for x
    x = 297,498,496.02/15,000.20
  6. Step 6: Final answer
    x = 19,832.97

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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.