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Finding the Fourth Proportional to 45.74, 62.84 and 44.52

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Solution

The fourth proportional to 45.74, 62.84 and 44.52 is: 61.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.74 : 62.84 = 44.52 : x
  2. Step 2: Convert to fraction form
    45.74/62.84 = 44.52/x
  3. Step 3: Cross multiply
    45.74x = 62.84 × 44.52
  4. Step 4: Simplify right side
    45.74x = 2,797.41
  5. Step 5: Solve for x
    x = 2,797.41/45.74
  6. Step 6: Final answer
    x = 61.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.