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Finding the Fourth Proportional to 61.16, 91.62 and 60.44

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Solution

The fourth proportional to 61.16, 91.62 and 60.44 is: 90.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.16 : 91.62 = 60.44 : x
  2. Step 2: Convert to fraction form
    61.16/91.62 = 60.44/x
  3. Step 3: Cross multiply
    61.16x = 91.62 × 60.44
  4. Step 4: Simplify right side
    61.16x = 5,537.51
  5. Step 5: Solve for x
    x = 5,537.51/61.16
  6. Step 6: Final answer
    x = 90.54

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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.