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Finding the Fourth Proportional to 45.97, 63.08 and 41.88

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Solution

The fourth proportional to 45.97, 63.08 and 41.88 is: 57.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.97 : 63.08 = 41.88 : x
  2. Step 2: Convert to fraction form
    45.97/63.08 = 41.88/x
  3. Step 3: Cross multiply
    45.97x = 63.08 × 41.88
  4. Step 4: Simplify right side
    45.97x = 2,641.97
  5. Step 5: Solve for x
    x = 2,641.97/45.97
  6. Step 6: Final answer
    x = 57.47

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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.