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Finding the Fourth Proportional to 17,765.46, 26,648.19 and 9,002.88

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Solution

The fourth proportional to 17,765.46, 26,648.19 and 9,002.88 is: 13,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.46 : 26,648.19 = 9,002.88 : x
  2. Step 2: Convert to fraction form
    17,765.46/26,648.19 = 9,002.88/x
  3. Step 3: Cross multiply
    17,765.46x = 26,648.19 × 9,002.88
  4. Step 4: Simplify right side
    17,765.46x = 239,910,456.79
  5. Step 5: Solve for x
    x = 239,910,456.79/17,765.46
  6. Step 6: Final answer
    x = 13,504.32

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Similar ratio
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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.