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Finding the Fourth Proportional to 17,247.40, 25,842.30 and 8,463.40

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Solution

The fourth proportional to 17,247.40, 25,842.30 and 8,463.40 is: 12,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,247.40 : 25,842.30 = 8,463.40 : x
  2. Step 2: Convert to fraction form
    17,247.40/25,842.30 = 8,463.40/x
  3. Step 3: Cross multiply
    17,247.40x = 25,842.30 × 8,463.40
  4. Step 4: Simplify right side
    17,247.40x = 218,713,721.82
  5. Step 5: Solve for x
    x = 218,713,721.82/17,247.40
  6. Step 6: Final answer
    x = 12,680.97

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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.