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Finding the Fourth Proportional to 48.57, 67.01 and 36.32

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Solution

The fourth proportional to 48.57, 67.01 and 36.32 is: 50.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.57 : 67.01 = 36.32 : x
  2. Step 2: Convert to fraction form
    48.57/67.01 = 36.32/x
  3. Step 3: Cross multiply
    48.57x = 67.01 × 36.32
  4. Step 4: Simplify right side
    48.57x = 2,433.80
  5. Step 5: Solve for x
    x = 2,433.80/48.57
  6. Step 6: Final answer
    x = 50.11

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Why These Related Problems?

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