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Finding the Fourth Proportional to 44.19, 60.95 and 31.91

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Solution

The fourth proportional to 44.19, 60.95 and 31.91 is: 44.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.19 : 60.95 = 31.91 : x
  2. Step 2: Convert to fraction form
    44.19/60.95 = 31.91/x
  3. Step 3: Cross multiply
    44.19x = 60.95 × 31.91
  4. Step 4: Simplify right side
    44.19x = 1,944.69
  5. Step 5: Solve for x
    x = 1,944.69/44.19
  6. Step 6: Final answer
    x = 44.01

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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.