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Finding the Fourth Proportional to 61.54, 84.81 and 44.26

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Solution

The fourth proportional to 61.54, 84.81 and 44.26 is: 61.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.54 : 84.81 = 44.26 : x
  2. Step 2: Convert to fraction form
    61.54/84.81 = 44.26/x
  3. Step 3: Cross multiply
    61.54x = 84.81 × 44.26
  4. Step 4: Simplify right side
    61.54x = 3,753.69
  5. Step 5: Solve for x
    x = 3,753.69/61.54
  6. Step 6: Final answer
    x = 61.00

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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.