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Finding the Fourth Proportional to 44.18, 60.94 and 38.42

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Solution

The fourth proportional to 44.18, 60.94 and 38.42 is: 52.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.18 : 60.94 = 38.42 : x
  2. Step 2: Convert to fraction form
    44.18/60.94 = 38.42/x
  3. Step 3: Cross multiply
    44.18x = 60.94 × 38.42
  4. Step 4: Simplify right side
    44.18x = 2,341.31
  5. Step 5: Solve for x
    x = 2,341.31/44.18
  6. Step 6: Final answer
    x = 52.99

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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.