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Finding the Fourth Proportional to 59.57, 82.16 and 42.08

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Solution

The fourth proportional to 59.57, 82.16 and 42.08 is: 58.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.57 : 82.16 = 42.08 : x
  2. Step 2: Convert to fraction form
    59.57/82.16 = 42.08/x
  3. Step 3: Cross multiply
    59.57x = 82.16 × 42.08
  4. Step 4: Simplify right side
    59.57x = 3,457.53
  5. Step 5: Solve for x
    x = 3,457.53/59.57
  6. Step 6: Final answer
    x = 58.04

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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.