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Finding the Fourth Proportional to 73.62, 100.26 and 73.44

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Solution

The fourth proportional to 73.62, 100.26 and 73.44 is: 100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.62 : 100.26 = 73.44 : x
  2. Step 2: Convert to fraction form
    73.62/100.26 = 73.44/x
  3. Step 3: Cross multiply
    73.62x = 100.26 × 73.44
  4. Step 4: Simplify right side
    73.62x = 7,363.09
  5. Step 5: Solve for x
    x = 7,363.09/73.62
  6. Step 6: Final answer
    x = 100.01

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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.