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Finding the Fourth Proportional to 46.48, 69.84 and 44.95

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Solution

The fourth proportional to 46.48, 69.84 and 44.95 is: 67.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.48 : 69.84 = 44.95 : x
  2. Step 2: Convert to fraction form
    46.48/69.84 = 44.95/x
  3. Step 3: Cross multiply
    46.48x = 69.84 × 44.95
  4. Step 4: Simplify right side
    46.48x = 3,139.31
  5. Step 5: Solve for x
    x = 3,139.31/46.48
  6. Step 6: Final answer
    x = 67.54

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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.