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Finding the Fourth Proportional to 69.04, 95.20 and 46

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Solution

The fourth proportional to 69.04, 95.20 and 46 is: 63.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.04 : 95.20 = 46 : x
  2. Step 2: Convert to fraction form
    69.04/95.20 = 46/x
  3. Step 3: Cross multiply
    69.04x = 95.20 × 46
  4. Step 4: Simplify right side
    69.04x = 4,379.20
  5. Step 5: Solve for x
    x = 4,379.20/69.04
  6. Step 6: Final answer
    x = 63.43

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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.