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Finding the Fourth Proportional to 74.44, 101.98 and 74.04

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Solution

The fourth proportional to 74.44, 101.98 and 74.04 is: 101.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74.44 : 101.98 = 74.04 : x
  2. Step 2: Convert to fraction form
    74.44/101.98 = 74.04/x
  3. Step 3: Cross multiply
    74.44x = 101.98 × 74.04
  4. Step 4: Simplify right side
    74.44x = 7,550.60
  5. Step 5: Solve for x
    x = 7,550.60/74.44
  6. Step 6: Final answer
    x = 101.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.