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Finding the Fourth Proportional to 24.99, 34.48 and 19.46

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Solution

The fourth proportional to 24.99, 34.48 and 19.46 is: 26.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.99 : 34.48 = 19.46 : x
  2. Step 2: Convert to fraction form
    24.99/34.48 = 19.46/x
  3. Step 3: Cross multiply
    24.99x = 34.48 × 19.46
  4. Step 4: Simplify right side
    24.99x = 671.10
  5. Step 5: Solve for x
    x = 671.10/24.99
  6. Step 6: Final answer
    x = 26.86

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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.