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Finding the Fourth Proportional to 26,500, 36,568.68 and 15,887.56

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Solution

The fourth proportional to 26,500, 36,568.68 and 15,887.56 is: 21,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,500 : 36,568.68 = 15,887.56 : x
  2. Step 2: Convert to fraction form
    26,500/36,568.68 = 15,887.56/x
  3. Step 3: Cross multiply
    26,500x = 36,568.68 × 15,887.56
  4. Step 4: Simplify right side
    26,500x = 580,987,097.62
  5. Step 5: Solve for x
    x = 580,987,097.62/26,500
  6. Step 6: Final answer
    x = 21,924.04

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1.5x scale

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.