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Finding the Fourth Proportional to 55.46, 83.10 and 44.84

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Solution

The fourth proportional to 55.46, 83.10 and 44.84 is: 67.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.46 : 83.10 = 44.84 : x
  2. Step 2: Convert to fraction form
    55.46/83.10 = 44.84/x
  3. Step 3: Cross multiply
    55.46x = 83.10 × 44.84
  4. Step 4: Simplify right side
    55.46x = 3,726.20
  5. Step 5: Solve for x
    x = 3,726.20/55.46
  6. Step 6: Final answer
    x = 67.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.