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Finding the Fourth Proportional to 45.86, 63.25 and 36.64

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Solution

The fourth proportional to 45.86, 63.25 and 36.64 is: 50.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.86 : 63.25 = 36.64 : x
  2. Step 2: Convert to fraction form
    45.86/63.25 = 36.64/x
  3. Step 3: Cross multiply
    45.86x = 63.25 × 36.64
  4. Step 4: Simplify right side
    45.86x = 2,317.48
  5. Step 5: Solve for x
    x = 2,317.48/45.86
  6. Step 6: Final answer
    x = 50.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.