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Finding the Fourth Proportional to 32.42, 44.76 and 29.24

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Solution

The fourth proportional to 32.42, 44.76 and 29.24 is: 40.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.42 : 44.76 = 29.24 : x
  2. Step 2: Convert to fraction form
    32.42/44.76 = 29.24/x
  3. Step 3: Cross multiply
    32.42x = 44.76 × 29.24
  4. Step 4: Simplify right side
    32.42x = 1,308.78
  5. Step 5: Solve for x
    x = 1,308.78/32.42
  6. Step 6: Final answer
    x = 40.37

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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.