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Finding the Fourth Proportional to 52.24, 72.16 and 41.95

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Solution

The fourth proportional to 52.24, 72.16 and 41.95 is: 57.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.24 : 72.16 = 41.95 : x
  2. Step 2: Convert to fraction form
    52.24/72.16 = 41.95/x
  3. Step 3: Cross multiply
    52.24x = 72.16 × 41.95
  4. Step 4: Simplify right side
    52.24x = 3,027.11
  5. Step 5: Solve for x
    x = 3,027.11/52.24
  6. Step 6: Final answer
    x = 57.95

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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.