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Finding the Fourth Proportional to 44.43, 66.54 and 25.14

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Solution

The fourth proportional to 44.43, 66.54 and 25.14 is: 37.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.43 : 66.54 = 25.14 : x
  2. Step 2: Convert to fraction form
    44.43/66.54 = 25.14/x
  3. Step 3: Cross multiply
    44.43x = 66.54 × 25.14
  4. Step 4: Simplify right side
    44.43x = 1,672.82
  5. Step 5: Solve for x
    x = 1,672.82/44.43
  6. Step 6: Final answer
    x = 37.65

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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.