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Finding the Fourth Proportional to 59.10, 81.42 and 44.52

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Solution

The fourth proportional to 59.10, 81.42 and 44.52 is: 61.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.10 : 81.42 = 44.52 : x
  2. Step 2: Convert to fraction form
    59.10/81.42 = 44.52/x
  3. Step 3: Cross multiply
    59.10x = 81.42 × 44.52
  4. Step 4: Simplify right side
    59.10x = 3,624.82
  5. Step 5: Solve for x
    x = 3,624.82/59.10
  6. Step 6: Final answer
    x = 61.33

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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.