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Finding the Fourth Proportional to 17,169.78, 25,754.67 and 9,374.34

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Solution

The fourth proportional to 17,169.78, 25,754.67 and 9,374.34 is: 14,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,169.78 : 25,754.67 = 9,374.34 : x
  2. Step 2: Convert to fraction form
    17,169.78/25,754.67 = 9,374.34/x
  3. Step 3: Cross multiply
    17,169.78x = 25,754.67 × 9,374.34
  4. Step 4: Simplify right side
    17,169.78x = 241,433,033.17
  5. Step 5: Solve for x
    x = 241,433,033.17/17,169.78
  6. Step 6: Final answer
    x = 14,061.51

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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.