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Finding the Fourth Proportional to 29.47, 44.13 and 24.31

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Solution

The fourth proportional to 29.47, 44.13 and 24.31 is: 36.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.47 : 44.13 = 24.31 : x
  2. Step 2: Convert to fraction form
    29.47/44.13 = 24.31/x
  3. Step 3: Cross multiply
    29.47x = 44.13 × 24.31
  4. Step 4: Simplify right side
    29.47x = 1,072.80
  5. Step 5: Solve for x
    x = 1,072.80/29.47
  6. Step 6: Final answer
    x = 36.40

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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.