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Finding the Fourth Proportional to 26,755.70, 36,923.13 and 16,143.29

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Solution

The fourth proportional to 26,755.70, 36,923.13 and 16,143.29 is: 22,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.70 : 36,923.13 = 16,143.29 : x
  2. Step 2: Convert to fraction form
    26,755.70/36,923.13 = 16,143.29/x
  3. Step 3: Cross multiply
    26,755.70x = 36,923.13 × 16,143.29
  4. Step 4: Simplify right side
    26,755.70x = 596,060,610.68
  5. Step 5: Solve for x
    x = 596,060,610.68/26,755.70
  6. Step 6: Final answer
    x = 22,277.90

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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.