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Finding the Fourth Proportional to 44.02, 60.18 and 42.34

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Solution

The fourth proportional to 44.02, 60.18 and 42.34 is: 57.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.02 : 60.18 = 42.34 : x
  2. Step 2: Convert to fraction form
    44.02/60.18 = 42.34/x
  3. Step 3: Cross multiply
    44.02x = 60.18 × 42.34
  4. Step 4: Simplify right side
    44.02x = 2,548.02
  5. Step 5: Solve for x
    x = 2,548.02/44.02
  6. Step 6: Final answer
    x = 57.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.