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Finding the Fourth Proportional to 46.56, 69.88 and 22.52

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Solution

The fourth proportional to 46.56, 69.88 and 22.52 is: 33.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.56 : 69.88 = 22.52 : x
  2. Step 2: Convert to fraction form
    46.56/69.88 = 22.52/x
  3. Step 3: Cross multiply
    46.56x = 69.88 × 22.52
  4. Step 4: Simplify right side
    46.56x = 1,573.70
  5. Step 5: Solve for x
    x = 1,573.70/46.56
  6. Step 6: Final answer
    x = 33.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.