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Finding the Fourth Proportional to 74.93, 112.41 and 23.59

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Solution

The fourth proportional to 74.93, 112.41 and 23.59 is: 35.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74.93 : 112.41 = 23.59 : x
  2. Step 2: Convert to fraction form
    74.93/112.41 = 23.59/x
  3. Step 3: Cross multiply
    74.93x = 112.41 × 23.59
  4. Step 4: Simplify right side
    74.93x = 2,651.39
  5. Step 5: Solve for x
    x = 2,651.39/74.93
  6. Step 6: Final answer
    x = 35.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.