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Finding the Fourth Proportional to 32.34, 44.69 and 31.34

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Solution

The fourth proportional to 32.34, 44.69 and 31.34 is: 43.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.34 : 44.69 = 31.34 : x
  2. Step 2: Convert to fraction form
    32.34/44.69 = 31.34/x
  3. Step 3: Cross multiply
    32.34x = 44.69 × 31.34
  4. Step 4: Simplify right side
    32.34x = 1,400.20
  5. Step 5: Solve for x
    x = 1,400.20/32.34
  6. Step 6: Final answer
    x = 43.30

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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.