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Finding the Fourth Proportional to 32.47, 44.68 and 26.31

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Solution

The fourth proportional to 32.47, 44.68 and 26.31 is: 36.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.47 : 44.68 = 26.31 : x
  2. Step 2: Convert to fraction form
    32.47/44.68 = 26.31/x
  3. Step 3: Cross multiply
    32.47x = 44.68 × 26.31
  4. Step 4: Simplify right side
    32.47x = 1,175.53
  5. Step 5: Solve for x
    x = 1,175.53/32.47
  6. Step 6: Final answer
    x = 36.20

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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.