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Finding the Fourth Proportional to 22.77, 34.17 and 9.93

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Solution

The fourth proportional to 22.77, 34.17 and 9.93 is: 14.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.77 : 34.17 = 9.93 : x
  2. Step 2: Convert to fraction form
    22.77/34.17 = 9.93/x
  3. Step 3: Cross multiply
    22.77x = 34.17 × 9.93
  4. Step 4: Simplify right side
    22.77x = 339.31
  5. Step 5: Solve for x
    x = 339.31/22.77
  6. Step 6: Final answer
    x = 14.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.