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Finding the Fourth Proportional to 26.42, 39.39 and 24.08

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Solution

The fourth proportional to 26.42, 39.39 and 24.08 is: 35.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.42 : 39.39 = 24.08 : x
  2. Step 2: Convert to fraction form
    26.42/39.39 = 24.08/x
  3. Step 3: Cross multiply
    26.42x = 39.39 × 24.08
  4. Step 4: Simplify right side
    26.42x = 948.31
  5. Step 5: Solve for x
    x = 948.31/26.42
  6. Step 6: Final answer
    x = 35.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.