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Finding the Fourth Proportional to 26,905.42, 40,358.33 and 9,375.22

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Solution

The fourth proportional to 26,905.42, 40,358.33 and 9,375.22 is: 14,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.42 : 40,358.33 = 9,375.22 : x
  2. Step 2: Convert to fraction form
    26,905.42/40,358.33 = 9,375.22/x
  3. Step 3: Cross multiply
    26,905.42x = 40,358.33 × 9,375.22
  4. Step 4: Simplify right side
    26,905.42x = 378,368,222.58
  5. Step 5: Solve for x
    x = 378,368,222.58/26,905.42
  6. Step 6: Final answer
    x = 14,062.90

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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.