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Finding the Fourth Proportional to 10.16, 13.98 and 8.52

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Solution

The fourth proportional to 10.16, 13.98 and 8.52 is: 11.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.16 : 13.98 = 8.52 : x
  2. Step 2: Convert to fraction form
    10.16/13.98 = 8.52/x
  3. Step 3: Cross multiply
    10.16x = 13.98 × 8.52
  4. Step 4: Simplify right side
    10.16x = 119.11
  5. Step 5: Solve for x
    x = 119.11/10.16
  6. Step 6: Final answer
    x = 11.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.