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Finding the Fourth Proportional to 69.49, 95.90 and 44.98

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Solution

The fourth proportional to 69.49, 95.90 and 44.98 is: 62.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.49 : 95.90 = 44.98 : x
  2. Step 2: Convert to fraction form
    69.49/95.90 = 44.98/x
  3. Step 3: Cross multiply
    69.49x = 95.90 × 44.98
  4. Step 4: Simplify right side
    69.49x = 4,312.88
  5. Step 5: Solve for x
    x = 4,312.88/69.49
  6. Step 6: Final answer
    x = 62.06

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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.