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Finding the Fourth Proportional to 52.36, 72.28 and 41.46

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Solution

The fourth proportional to 52.36, 72.28 and 41.46 is: 57.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.36 : 72.28 = 41.46 : x
  2. Step 2: Convert to fraction form
    52.36/72.28 = 41.46/x
  3. Step 3: Cross multiply
    52.36x = 72.28 × 41.46
  4. Step 4: Simplify right side
    52.36x = 2,996.73
  5. Step 5: Solve for x
    x = 2,996.73/52.36
  6. Step 6: Final answer
    x = 57.23

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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.