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Finding the Fourth Proportional to 59.25, 81.70 and 43.71

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Solution

The fourth proportional to 59.25, 81.70 and 43.71 is: 60.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.25 : 81.70 = 43.71 : x
  2. Step 2: Convert to fraction form
    59.25/81.70 = 43.71/x
  3. Step 3: Cross multiply
    59.25x = 81.70 × 43.71
  4. Step 4: Simplify right side
    59.25x = 3,570.69
  5. Step 5: Solve for x
    x = 3,570.69/59.25
  6. Step 6: Final answer
    x = 60.26

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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.