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Finding the Fourth Proportional to 48.00, 66.16 and 41.41

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Solution

The fourth proportional to 48.00, 66.16 and 41.41 is: 57.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.00 : 66.16 = 41.41 : x
  2. Step 2: Convert to fraction form
    48.00/66.16 = 41.41/x
  3. Step 3: Cross multiply
    48.00x = 66.16 × 41.41
  4. Step 4: Simplify right side
    48.00x = 2,739.63
  5. Step 5: Solve for x
    x = 2,739.63/48.00
  6. Step 6: Final answer
    x = 57.08

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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.