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Finding the Fourth Proportional to 44.74, 61.63 and 34.89

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Solution

The fourth proportional to 44.74, 61.63 and 34.89 is: 48.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.74 : 61.63 = 34.89 : x
  2. Step 2: Convert to fraction form
    44.74/61.63 = 34.89/x
  3. Step 3: Cross multiply
    44.74x = 61.63 × 34.89
  4. Step 4: Simplify right side
    44.74x = 2,150.27
  5. Step 5: Solve for x
    x = 2,150.27/44.74
  6. Step 6: Final answer
    x = 48.06

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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.