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Finding the Fourth Proportional to 31.84, 44.01 and 24.55

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Solution

The fourth proportional to 31.84, 44.01 and 24.55 is: 33.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31.84 : 44.01 = 24.55 : x
  2. Step 2: Convert to fraction form
    31.84/44.01 = 24.55/x
  3. Step 3: Cross multiply
    31.84x = 44.01 × 24.55
  4. Step 4: Simplify right side
    31.84x = 1,080.34
  5. Step 5: Solve for x
    x = 1,080.34/31.84
  6. Step 6: Final answer
    x = 33.93

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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.