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Finding the Fourth Proportional to 32.12, 44.34 and 24.87

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Solution

The fourth proportional to 32.12, 44.34 and 24.87 is: 34.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.12 : 44.34 = 24.87 : x
  2. Step 2: Convert to fraction form
    32.12/44.34 = 24.87/x
  3. Step 3: Cross multiply
    32.12x = 44.34 × 24.87
  4. Step 4: Simplify right side
    32.12x = 1,102.74
  5. Step 5: Solve for x
    x = 1,102.74/32.12
  6. Step 6: Final answer
    x = 34.33

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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.