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Finding the Fourth Proportional to 17,508.30, 26,245.84 and 6,984.79

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Solution

The fourth proportional to 17,508.30, 26,245.84 and 6,984.79 is: 10,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,508.30 : 26,245.84 = 6,984.79 : x
  2. Step 2: Convert to fraction form
    17,508.30/26,245.84 = 6,984.79/x
  3. Step 3: Cross multiply
    17,508.30x = 26,245.84 × 6,984.79
  4. Step 4: Simplify right side
    17,508.30x = 183,321,680.77
  5. Step 5: Solve for x
    x = 183,321,680.77/17,508.30
  6. Step 6: Final answer
    x = 10,470.56

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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.