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Finding the Fourth Proportional to 26,800, 40,140.48 and 15,087.04

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Solution

The fourth proportional to 26,800, 40,140.48 and 15,087.04 is: 22,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,800 : 40,140.48 = 15,087.04 : x
  2. Step 2: Convert to fraction form
    26,800/40,140.48 = 15,087.04/x
  3. Step 3: Cross multiply
    26,800x = 40,140.48 × 15,087.04
  4. Step 4: Simplify right side
    26,800x = 605,601,027.38
  5. Step 5: Solve for x
    x = 605,601,027.38/26,800
  6. Step 6: Final answer
    x = 22,597.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.