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Finding the Fourth Proportional to 44.39, 66.60 and 24.12

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Solution

The fourth proportional to 44.39, 66.60 and 24.12 is: 36.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.39 : 66.60 = 24.12 : x
  2. Step 2: Convert to fraction form
    44.39/66.60 = 24.12/x
  3. Step 3: Cross multiply
    44.39x = 66.60 × 24.12
  4. Step 4: Simplify right side
    44.39x = 1,606.39
  5. Step 5: Solve for x
    x = 1,606.39/44.39
  6. Step 6: Final answer
    x = 36.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.