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Finding the Fourth Proportional to 26,100.78, 36,019.05 and 14,922.78

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Solution

The fourth proportional to 26,100.78, 36,019.05 and 14,922.78 is: 20,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,100.78 : 36,019.05 = 14,922.78 : x
  2. Step 2: Convert to fraction form
    26,100.78/36,019.05 = 14,922.78/x
  3. Step 3: Cross multiply
    26,100.78x = 36,019.05 × 14,922.78
  4. Step 4: Simplify right side
    26,100.78x = 537,504,358.96
  5. Step 5: Solve for x
    x = 537,504,358.96/26,100.78
  6. Step 6: Final answer
    x = 20,593.42

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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.