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Finding the Fourth Proportional to 26,353.59, 36,306.93 and 18,381.97

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Solution

The fourth proportional to 26,353.59, 36,306.93 and 18,381.97 is: 25,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,353.59 : 36,306.93 = 18,381.97 : x
  2. Step 2: Convert to fraction form
    26,353.59/36,306.93 = 18,381.97/x
  3. Step 3: Cross multiply
    26,353.59x = 36,306.93 × 18,381.97
  4. Step 4: Simplify right side
    26,353.59x = 667,392,898.05
  5. Step 5: Solve for x
    x = 667,392,898.05/26,353.59
  6. Step 6: Final answer
    x = 25,324.55

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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.