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Finding the Fourth Proportional to 44.79, 61.83 and 33.60

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Solution

The fourth proportional to 44.79, 61.83 and 33.60 is: 46.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.79 : 61.83 = 33.60 : x
  2. Step 2: Convert to fraction form
    44.79/61.83 = 33.60/x
  3. Step 3: Cross multiply
    44.79x = 61.83 × 33.60
  4. Step 4: Simplify right side
    44.79x = 2,077.49
  5. Step 5: Solve for x
    x = 2,077.49/44.79
  6. Step 6: Final answer
    x = 46.38

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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.