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Finding the Fourth Proportional to 32.92, 45.33 and 29.46

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Solution

The fourth proportional to 32.92, 45.33 and 29.46 is: 40.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.92 : 45.33 = 29.46 : x
  2. Step 2: Convert to fraction form
    32.92/45.33 = 29.46/x
  3. Step 3: Cross multiply
    32.92x = 45.33 × 29.46
  4. Step 4: Simplify right side
    32.92x = 1,335.20
  5. Step 5: Solve for x
    x = 1,335.20/32.92
  6. Step 6: Final answer
    x = 40.56

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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.