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Finding the Fourth Proportional to 17,009.70, 25,514.55 and 7,654.20

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Solution

The fourth proportional to 17,009.70, 25,514.55 and 7,654.20 is: 11,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.70 : 25,514.55 = 7,654.20 : x
  2. Step 2: Convert to fraction form
    17,009.70/25,514.55 = 7,654.20/x
  3. Step 3: Cross multiply
    17,009.70x = 25,514.55 × 7,654.20
  4. Step 4: Simplify right side
    17,009.70x = 195,293,468.61
  5. Step 5: Solve for x
    x = 195,293,468.61/17,009.70
  6. Step 6: Final answer
    x = 11,481.30

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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.