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Finding the Fourth Proportional to 48.55, 67.01 and 41.67

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Solution

The fourth proportional to 48.55, 67.01 and 41.67 is: 57.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.55 : 67.01 = 41.67 : x
  2. Step 2: Convert to fraction form
    48.55/67.01 = 41.67/x
  3. Step 3: Cross multiply
    48.55x = 67.01 × 41.67
  4. Step 4: Simplify right side
    48.55x = 2,792.10
  5. Step 5: Solve for x
    x = 2,792.10/48.55
  6. Step 6: Final answer
    x = 57.51

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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.