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Finding the Fourth Proportional to 11.04, 16.48 and 9.69

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Solution

The fourth proportional to 11.04, 16.48 and 9.69 is: 14.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.04 : 16.48 = 9.69 : x
  2. Step 2: Convert to fraction form
    11.04/16.48 = 9.69/x
  3. Step 3: Cross multiply
    11.04x = 16.48 × 9.69
  4. Step 4: Simplify right side
    11.04x = 159.61
  5. Step 5: Solve for x
    x = 159.61/11.04
  6. Step 6: Final answer
    x = 14.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.