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Finding the Fourth Proportional to 17,094.60, 25,620.30 and 12,472.20

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Solution

The fourth proportional to 17,094.60, 25,620.30 and 12,472.20 is: 18,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,094.60 : 25,620.30 = 12,472.20 : x
  2. Step 2: Convert to fraction form
    17,094.60/25,620.30 = 12,472.20/x
  3. Step 3: Cross multiply
    17,094.60x = 25,620.30 × 12,472.20
  4. Step 4: Simplify right side
    17,094.60x = 319,541,505.66
  5. Step 5: Solve for x
    x = 319,541,505.66/17,094.60
  6. Step 6: Final answer
    x = 18,692.54

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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.