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Finding the Fourth Proportional to 42.98, 59.25 and 29.84

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Solution

The fourth proportional to 42.98, 59.25 and 29.84 is: 41.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42.98 : 59.25 = 29.84 : x
  2. Step 2: Convert to fraction form
    42.98/59.25 = 29.84/x
  3. Step 3: Cross multiply
    42.98x = 59.25 × 29.84
  4. Step 4: Simplify right side
    42.98x = 1,768.02
  5. Step 5: Solve for x
    x = 1,768.02/42.98
  6. Step 6: Final answer
    x = 41.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.