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Finding the Fourth Proportional to 17,508.96, 26,266.28 and 6,978.96

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Solution

The fourth proportional to 17,508.96, 26,266.28 and 6,978.96 is: 10,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,508.96 : 26,266.28 = 6,978.96 : x
  2. Step 2: Convert to fraction form
    17,508.96/26,266.28 = 6,978.96/x
  3. Step 3: Cross multiply
    17,508.96x = 26,266.28 × 6,978.96
  4. Step 4: Simplify right side
    17,508.96x = 183,311,282.57
  5. Step 5: Solve for x
    x = 183,311,282.57/17,508.96
  6. Step 6: Final answer
    x = 10,469.57

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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.