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Finding the Fourth Proportional to 16.02, 22.08 and 10.56

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Solution

The fourth proportional to 16.02, 22.08 and 10.56 is: 14.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.02 : 22.08 = 10.56 : x
  2. Step 2: Convert to fraction form
    16.02/22.08 = 10.56/x
  3. Step 3: Cross multiply
    16.02x = 22.08 × 10.56
  4. Step 4: Simplify right side
    16.02x = 233.16
  5. Step 5: Solve for x
    x = 233.16/16.02
  6. Step 6: Final answer
    x = 14.55

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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.