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Finding the Fourth Proportional to 52.24, 72.04 and 33.76

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Solution

The fourth proportional to 52.24, 72.04 and 33.76 is: 46.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.24 : 72.04 = 33.76 : x
  2. Step 2: Convert to fraction form
    52.24/72.04 = 33.76/x
  3. Step 3: Cross multiply
    52.24x = 72.04 × 33.76
  4. Step 4: Simplify right side
    52.24x = 2,432.07
  5. Step 5: Solve for x
    x = 2,432.07/52.24
  6. Step 6: Final answer
    x = 46.56

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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.