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Finding the Fourth Proportional to 32.29, 48.21 and 29.92

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Solution

The fourth proportional to 32.29, 48.21 and 29.92 is: 44.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.29 : 48.21 = 29.92 : x
  2. Step 2: Convert to fraction form
    32.29/48.21 = 29.92/x
  3. Step 3: Cross multiply
    32.29x = 48.21 × 29.92
  4. Step 4: Simplify right side
    32.29x = 1,442.14
  5. Step 5: Solve for x
    x = 1,442.14/32.29
  6. Step 6: Final answer
    x = 44.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.