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Finding the Fourth Proportional to 22.88, 31.52 and 17.04

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Solution

The fourth proportional to 22.88, 31.52 and 17.04 is: 23.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.88 : 31.52 = 17.04 : x
  2. Step 2: Convert to fraction form
    22.88/31.52 = 17.04/x
  3. Step 3: Cross multiply
    22.88x = 31.52 × 17.04
  4. Step 4: Simplify right side
    22.88x = 537.10
  5. Step 5: Solve for x
    x = 537.10/22.88
  6. Step 6: Final answer
    x = 23.47

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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.