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Finding the Fourth Proportional to 29.60, 44.08 and 27.32

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Solution

The fourth proportional to 29.60, 44.08 and 27.32 is: 40.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.60 : 44.08 = 27.32 : x
  2. Step 2: Convert to fraction form
    29.60/44.08 = 27.32/x
  3. Step 3: Cross multiply
    29.60x = 44.08 × 27.32
  4. Step 4: Simplify right side
    29.60x = 1,204.27
  5. Step 5: Solve for x
    x = 1,204.27/29.60
  6. Step 6: Final answer
    x = 40.68

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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.