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Finding the Fourth Proportional to 48.92, 73.40 and 24.88

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Solution

The fourth proportional to 48.92, 73.40 and 24.88 is: 37.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.92 : 73.40 = 24.88 : x
  2. Step 2: Convert to fraction form
    48.92/73.40 = 24.88/x
  3. Step 3: Cross multiply
    48.92x = 73.40 × 24.88
  4. Step 4: Simplify right side
    48.92x = 1,826.19
  5. Step 5: Solve for x
    x = 1,826.19/48.92
  6. Step 6: Final answer
    x = 37.33

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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.