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Finding the Fourth Proportional to 45.98, 69.02 and 29.73

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Solution

The fourth proportional to 45.98, 69.02 and 29.73 is: 44.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.98 : 69.02 = 29.73 : x
  2. Step 2: Convert to fraction form
    45.98/69.02 = 29.73/x
  3. Step 3: Cross multiply
    45.98x = 69.02 × 29.73
  4. Step 4: Simplify right side
    45.98x = 2,051.82
  5. Step 5: Solve for x
    x = 2,051.82/45.98
  6. Step 6: Final answer
    x = 44.63

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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.