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Finding the Fourth Proportional to 26.43, 39.51 and 22.98

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Solution

The fourth proportional to 26.43, 39.51 and 22.98 is: 34.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.43 : 39.51 = 22.98 : x
  2. Step 2: Convert to fraction form
    26.43/39.51 = 22.98/x
  3. Step 3: Cross multiply
    26.43x = 39.51 × 22.98
  4. Step 4: Simplify right side
    26.43x = 907.78
  5. Step 5: Solve for x
    x = 907.78/26.43
  6. Step 6: Final answer
    x = 34.34

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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.