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Finding the Fourth Proportional to 44.16, 60.85 and 43.15

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Solution

The fourth proportional to 44.16, 60.85 and 43.15 is: 59.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.16 : 60.85 = 43.15 : x
  2. Step 2: Convert to fraction form
    44.16/60.85 = 43.15/x
  3. Step 3: Cross multiply
    44.16x = 60.85 × 43.15
  4. Step 4: Simplify right side
    44.16x = 2,625.68
  5. Step 5: Solve for x
    x = 2,625.68/44.16
  6. Step 6: Final answer
    x = 59.46

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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.