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Finding the Fourth Proportional to 22.33, 33.51 and 15.58

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Solution

The fourth proportional to 22.33, 33.51 and 15.58 is: 23.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.33 : 33.51 = 15.58 : x
  2. Step 2: Convert to fraction form
    22.33/33.51 = 15.58/x
  3. Step 3: Cross multiply
    22.33x = 33.51 × 15.58
  4. Step 4: Simplify right side
    22.33x = 522.09
  5. Step 5: Solve for x
    x = 522.09/22.33
  6. Step 6: Final answer
    x = 23.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.