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Finding the Fourth Proportional to 23.48, 34.98 and 22.39

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Solution

The fourth proportional to 23.48, 34.98 and 22.39 is: 33.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.48 : 34.98 = 22.39 : x
  2. Step 2: Convert to fraction form
    23.48/34.98 = 22.39/x
  3. Step 3: Cross multiply
    23.48x = 34.98 × 22.39
  4. Step 4: Simplify right side
    23.48x = 783.35
  5. Step 5: Solve for x
    x = 783.35/23.48
  6. Step 6: Final answer
    x = 33.36

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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.