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Finding the Fourth Proportional to 48.13, 66.37 and 41.24

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Solution

The fourth proportional to 48.13, 66.37 and 41.24 is: 56.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.13 : 66.37 = 41.24 : x
  2. Step 2: Convert to fraction form
    48.13/66.37 = 41.24/x
  3. Step 3: Cross multiply
    48.13x = 66.37 × 41.24
  4. Step 4: Simplify right side
    48.13x = 2,737.10
  5. Step 5: Solve for x
    x = 2,737.10/48.13
  6. Step 6: Final answer
    x = 56.87

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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.