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Finding the Fourth Proportional to 47.98, 66.24 and 44.92

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Solution

The fourth proportional to 47.98, 66.24 and 44.92 is: 62.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.98 : 66.24 = 44.92 : x
  2. Step 2: Convert to fraction form
    47.98/66.24 = 44.92/x
  3. Step 3: Cross multiply
    47.98x = 66.24 × 44.92
  4. Step 4: Simplify right side
    47.98x = 2,975.50
  5. Step 5: Solve for x
    x = 2,975.50/47.98
  6. Step 6: Final answer
    x = 62.02

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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.