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Finding the Fourth Proportional to 32.24, 48.62 and 29.31

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Solution

The fourth proportional to 32.24, 48.62 and 29.31 is: 44.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.24 : 48.62 = 29.31 : x
  2. Step 2: Convert to fraction form
    32.24/48.62 = 29.31/x
  3. Step 3: Cross multiply
    32.24x = 48.62 × 29.31
  4. Step 4: Simplify right side
    32.24x = 1,424.91
  5. Step 5: Solve for x
    x = 1,424.91/32.24
  6. Step 6: Final answer
    x = 44.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.