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Finding the Fourth Proportional to 15.62, 23.52 and 15.41

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Solution

The fourth proportional to 15.62, 23.52 and 15.41 is: 23.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.62 : 23.52 = 15.41 : x
  2. Step 2: Convert to fraction form
    15.62/23.52 = 15.41/x
  3. Step 3: Cross multiply
    15.62x = 23.52 × 15.41
  4. Step 4: Simplify right side
    15.62x = 362.33
  5. Step 5: Solve for x
    x = 362.33/15.62
  6. Step 6: Final answer
    x = 23.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.