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Finding the Fourth Proportional to 9.52, 13.12 and 6.93

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Solution

The fourth proportional to 9.52, 13.12 and 6.93 is: 9.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.52 : 13.12 = 6.93 : x
  2. Step 2: Convert to fraction form
    9.52/13.12 = 6.93/x
  3. Step 3: Cross multiply
    9.52x = 13.12 × 6.93
  4. Step 4: Simplify right side
    9.52x = 90.92
  5. Step 5: Solve for x
    x = 90.92/9.52
  6. Step 6: Final answer
    x = 9.55

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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.