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Finding the Fourth Proportional to 17,518.17, 26,251.03 and 9,065.48

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Solution

The fourth proportional to 17,518.17, 26,251.03 and 9,065.48 is: 13,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.17 : 26,251.03 = 9,065.48 : x
  2. Step 2: Convert to fraction form
    17,518.17/26,251.03 = 9,065.48/x
  3. Step 3: Cross multiply
    17,518.17x = 26,251.03 × 9,065.48
  4. Step 4: Simplify right side
    17,518.17x = 237,978,142.12
  5. Step 5: Solve for x
    x = 237,978,142.12/17,518.17
  6. Step 6: Final answer
    x = 13,584.65

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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.