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Finding the Fourth Proportional to 59.60, 82.19 and 41.18

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Solution

The fourth proportional to 59.60, 82.19 and 41.18 is: 56.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.60 : 82.19 = 41.18 : x
  2. Step 2: Convert to fraction form
    59.60/82.19 = 41.18/x
  3. Step 3: Cross multiply
    59.60x = 82.19 × 41.18
  4. Step 4: Simplify right side
    59.60x = 3,384.28
  5. Step 5: Solve for x
    x = 3,384.28/59.60
  6. Step 6: Final answer
    x = 56.78

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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.