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Finding the Fourth Proportional to 59.44, 82.12 and 54.04

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Solution

The fourth proportional to 59.44, 82.12 and 54.04 is: 74.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.44 : 82.12 = 54.04 : x
  2. Step 2: Convert to fraction form
    59.44/82.12 = 54.04/x
  3. Step 3: Cross multiply
    59.44x = 82.12 × 54.04
  4. Step 4: Simplify right side
    59.44x = 4,437.76
  5. Step 5: Solve for x
    x = 4,437.76/59.44
  6. Step 6: Final answer
    x = 74.66

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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.