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Finding the Fourth Proportional to 23.61, 35.13 and 23.49

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Solution

The fourth proportional to 23.61, 35.13 and 23.49 is: 34.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.61 : 35.13 = 23.49 : x
  2. Step 2: Convert to fraction form
    23.61/35.13 = 23.49/x
  3. Step 3: Cross multiply
    23.61x = 35.13 × 23.49
  4. Step 4: Simplify right side
    23.61x = 825.20
  5. Step 5: Solve for x
    x = 825.20/23.61
  6. Step 6: Final answer
    x = 34.95

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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.