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Finding the Fourth Proportional to 40.63, 60.95 and 36.15

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Solution

The fourth proportional to 40.63, 60.95 and 36.15 is: 54.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.63 : 60.95 = 36.15 : x
  2. Step 2: Convert to fraction form
    40.63/60.95 = 36.15/x
  3. Step 3: Cross multiply
    40.63x = 60.95 × 36.15
  4. Step 4: Simplify right side
    40.63x = 2,203.43
  5. Step 5: Solve for x
    x = 2,203.43/40.63
  6. Step 6: Final answer
    x = 54.24

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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.