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Finding the Fourth Proportional to 26,508.56, 39,781.02 and 10,926.08

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Solution

The fourth proportional to 26,508.56, 39,781.02 and 10,926.08 is: 16,396.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,508.56 : 39,781.02 = 10,926.08 : x
  2. Step 2: Convert to fraction form
    26,508.56/39,781.02 = 10,926.08/x
  3. Step 3: Cross multiply
    26,508.56x = 39,781.02 × 10,926.08
  4. Step 4: Simplify right side
    26,508.56x = 434,650,607.00
  5. Step 5: Solve for x
    x = 434,650,607.00/26,508.56
  6. Step 6: Final answer
    x = 16,396.61

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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.