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Finding the Fourth Proportional to 26,169.89, 36,100.69 and 15,552

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Solution

The fourth proportional to 26,169.89, 36,100.69 and 15,552 is: 21,453.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169.89 : 36,100.69 = 15,552 : x
  2. Step 2: Convert to fraction form
    26,169.89/36,100.69 = 15,552/x
  3. Step 3: Cross multiply
    26,169.89x = 36,100.69 × 15,552
  4. Step 4: Simplify right side
    26,169.89x = 561,437,892
  5. Step 5: Solve for x
    x = 561,437,892/26,169.89
  6. Step 6: Final answer
    x = 21,453.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.