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Finding the Fourth Proportional to 42.92, 59.24 and 26.33

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Solution

The fourth proportional to 42.92, 59.24 and 26.33 is: 36.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42.92 : 59.24 = 26.33 : x
  2. Step 2: Convert to fraction form
    42.92/59.24 = 26.33/x
  3. Step 3: Cross multiply
    42.92x = 59.24 × 26.33
  4. Step 4: Simplify right side
    42.92x = 1,559.79
  5. Step 5: Solve for x
    x = 1,559.79/42.92
  6. Step 6: Final answer
    x = 36.34

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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.