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Finding the Fourth Proportional to 24.84, 34.28 and 13.93

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Solution

The fourth proportional to 24.84, 34.28 and 13.93 is: 19.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.84 : 34.28 = 13.93 : x
  2. Step 2: Convert to fraction form
    24.84/34.28 = 13.93/x
  3. Step 3: Cross multiply
    24.84x = 34.28 × 13.93
  4. Step 4: Simplify right side
    24.84x = 477.43
  5. Step 5: Solve for x
    x = 477.43/24.84
  6. Step 6: Final answer
    x = 19.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.