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Finding the Fourth Proportional to 42.84, 59.11 and 24.41

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Solution

The fourth proportional to 42.84, 59.11 and 24.41 is: 33.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42.84 : 59.11 = 24.41 : x
  2. Step 2: Convert to fraction form
    42.84/59.11 = 24.41/x
  3. Step 3: Cross multiply
    42.84x = 59.11 × 24.41
  4. Step 4: Simplify right side
    42.84x = 1,442.96
  5. Step 5: Solve for x
    x = 1,442.96/42.84
  6. Step 6: Final answer
    x = 33.68

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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.