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Finding the Fourth Proportional to 42.82, 59.08 and 23.41

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Solution

The fourth proportional to 42.82, 59.08 and 23.41 is: 32.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42.82 : 59.08 = 23.41 : x
  2. Step 2: Convert to fraction form
    42.82/59.08 = 23.41/x
  3. Step 3: Cross multiply
    42.82x = 59.08 × 23.41
  4. Step 4: Simplify right side
    42.82x = 1,382.83
  5. Step 5: Solve for x
    x = 1,382.83/42.82
  6. Step 6: Final answer
    x = 32.30

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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.