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Finding the Fourth Proportional to 10.52, 15.74 and 6

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Solution

The fourth proportional to 10.52, 15.74 and 6 is: 8.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.52 : 15.74 = 6 : x
  2. Step 2: Convert to fraction form
    10.52/15.74 = 6/x
  3. Step 3: Cross multiply
    10.52x = 15.74 × 6
  4. Step 4: Simplify right side
    10.52x = 94.44
  5. Step 5: Solve for x
    x = 94.44/10.52
  6. Step 6: Final answer
    x = 8.98

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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.