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Finding the Fourth Proportional to 48.06, 71.82 and 35.22

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Solution

The fourth proportional to 48.06, 71.82 and 35.22 is: 52.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.06 : 71.82 = 35.22 : x
  2. Step 2: Convert to fraction form
    48.06/71.82 = 35.22/x
  3. Step 3: Cross multiply
    48.06x = 71.82 × 35.22
  4. Step 4: Simplify right side
    48.06x = 2,529.50
  5. Step 5: Solve for x
    x = 2,529.50/48.06
  6. Step 6: Final answer
    x = 52.63

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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.