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Finding the Fourth Proportional to 6.92, 9.54 and 6.52

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Solution

The fourth proportional to 6.92, 9.54 and 6.52 is: 8.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.92 : 9.54 = 6.52 : x
  2. Step 2: Convert to fraction form
    6.92/9.54 = 6.52/x
  3. Step 3: Cross multiply
    6.92x = 9.54 × 6.52
  4. Step 4: Simplify right side
    6.92x = 62.19
  5. Step 5: Solve for x
    x = 62.19/6.92
  6. Step 6: Final answer
    x = 8.98

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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.