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Finding the Fourth Proportional to 17,481.20, 24,118.20 and 10,403.60

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Solution

The fourth proportional to 17,481.20, 24,118.20 and 10,403.60 is: 14,353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,481.20 : 24,118.20 = 10,403.60 : x
  2. Step 2: Convert to fraction form
    17,481.20/24,118.20 = 10,403.60/x
  3. Step 3: Cross multiply
    17,481.20x = 24,118.20 × 10,403.60
  4. Step 4: Simplify right side
    17,481.20x = 250,916,105.52
  5. Step 5: Solve for x
    x = 250,916,105.52/17,481.20
  6. Step 6: Final answer
    x = 14,353.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.