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Finding the Fourth Proportional to 23.02, 34.52 and 6.99

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Solution

The fourth proportional to 23.02, 34.52 and 6.99 is: 10.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.02 : 34.52 = 6.99 : x
  2. Step 2: Convert to fraction form
    23.02/34.52 = 6.99/x
  3. Step 3: Cross multiply
    23.02x = 34.52 × 6.99
  4. Step 4: Simplify right side
    23.02x = 241.31
  5. Step 5: Solve for x
    x = 241.31/23.02
  6. Step 6: Final answer
    x = 10.48

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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.