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Finding the Fourth Proportional to 48.29, 72.41 and 22.62

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Solution

The fourth proportional to 48.29, 72.41 and 22.62 is: 33.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.29 : 72.41 = 22.62 : x
  2. Step 2: Convert to fraction form
    48.29/72.41 = 22.62/x
  3. Step 3: Cross multiply
    48.29x = 72.41 × 22.62
  4. Step 4: Simplify right side
    48.29x = 1,637.91
  5. Step 5: Solve for x
    x = 1,637.91/48.29
  6. Step 6: Final answer
    x = 33.92

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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.