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Finding the Fourth Proportional to 10.06, 13.86 and 9.48

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Solution

The fourth proportional to 10.06, 13.86 and 9.48 is: 13.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.06 : 13.86 = 9.48 : x
  2. Step 2: Convert to fraction form
    10.06/13.86 = 9.48/x
  3. Step 3: Cross multiply
    10.06x = 13.86 × 9.48
  4. Step 4: Simplify right side
    10.06x = 131.39
  5. Step 5: Solve for x
    x = 131.39/10.06
  6. Step 6: Final answer
    x = 13.06

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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.