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Finding the Fourth Proportional to 48.01, 71.54 and 46.27

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Solution

The fourth proportional to 48.01, 71.54 and 46.27 is: 68.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.01 : 71.54 = 46.27 : x
  2. Step 2: Convert to fraction form
    48.01/71.54 = 46.27/x
  3. Step 3: Cross multiply
    48.01x = 71.54 × 46.27
  4. Step 4: Simplify right side
    48.01x = 3,310.16
  5. Step 5: Solve for x
    x = 3,310.16/48.01
  6. Step 6: Final answer
    x = 68.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.