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Finding the Fourth Proportional to 44.85, 61.88 and 26.42

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Solution

The fourth proportional to 44.85, 61.88 and 26.42 is: 36.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.85 : 61.88 = 26.42 : x
  2. Step 2: Convert to fraction form
    44.85/61.88 = 26.42/x
  3. Step 3: Cross multiply
    44.85x = 61.88 × 26.42
  4. Step 4: Simplify right side
    44.85x = 1,634.58
  5. Step 5: Solve for x
    x = 1,634.58/44.85
  6. Step 6: Final answer
    x = 36.45

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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.