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Finding the Fourth Proportional to 75.37, 112.96 and 60.96

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Solution

The fourth proportional to 75.37, 112.96 and 60.96 is: 91.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.37 : 112.96 = 60.96 : x
  2. Step 2: Convert to fraction form
    75.37/112.96 = 60.96/x
  3. Step 3: Cross multiply
    75.37x = 112.96 × 60.96
  4. Step 4: Simplify right side
    75.37x = 6,886.04
  5. Step 5: Solve for x
    x = 6,886.04/75.37
  6. Step 6: Final answer
    x = 91.36

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