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Finding the Fourth Proportional to 26,657.24, 39,972.48 and 8,881.65

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Solution

The fourth proportional to 26,657.24, 39,972.48 and 8,881.65 is: 13,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,657.24 : 39,972.48 = 8,881.65 : x
  2. Step 2: Convert to fraction form
    26,657.24/39,972.48 = 8,881.65/x
  3. Step 3: Cross multiply
    26,657.24x = 39,972.48 × 8,881.65
  4. Step 4: Simplify right side
    26,657.24x = 355,021,593.65
  5. Step 5: Solve for x
    x = 355,021,593.65/26,657.24
  6. Step 6: Final answer
    x = 13,318.02

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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.