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Finding the Fourth Proportional to 44.57, 61.48 and 25.89

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Solution

The fourth proportional to 44.57, 61.48 and 25.89 is: 35.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.57 : 61.48 = 25.89 : x
  2. Step 2: Convert to fraction form
    44.57/61.48 = 25.89/x
  3. Step 3: Cross multiply
    44.57x = 61.48 × 25.89
  4. Step 4: Simplify right side
    44.57x = 1,592.03
  5. Step 5: Solve for x
    x = 1,592.03/44.57
  6. Step 6: Final answer
    x = 35.72

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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.