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Finding the Fourth Proportional to 29.17, 40.19 and 22.99

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Solution

The fourth proportional to 29.17, 40.19 and 22.99 is: 31.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.17 : 40.19 = 22.99 : x
  2. Step 2: Convert to fraction form
    29.17/40.19 = 22.99/x
  3. Step 3: Cross multiply
    29.17x = 40.19 × 22.99
  4. Step 4: Simplify right side
    29.17x = 923.97
  5. Step 5: Solve for x
    x = 923.97/29.17
  6. Step 6: Final answer
    x = 31.68

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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.