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Finding the Fourth Proportional to 73.73, 101.72 and 44.22

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Solution

The fourth proportional to 73.73, 101.72 and 44.22 is: 61.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.73 : 101.72 = 44.22 : x
  2. Step 2: Convert to fraction form
    73.73/101.72 = 44.22/x
  3. Step 3: Cross multiply
    73.73x = 101.72 × 44.22
  4. Step 4: Simplify right side
    73.73x = 4,498.06
  5. Step 5: Solve for x
    x = 4,498.06/73.73
  6. Step 6: Final answer
    x = 61.01

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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.