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Finding the Fourth Proportional to 29.01, 40.02 and 22.88

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Solution

The fourth proportional to 29.01, 40.02 and 22.88 is: 31.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.01 : 40.02 = 22.88 : x
  2. Step 2: Convert to fraction form
    29.01/40.02 = 22.88/x
  3. Step 3: Cross multiply
    29.01x = 40.02 × 22.88
  4. Step 4: Simplify right side
    29.01x = 915.54
  5. Step 5: Solve for x
    x = 915.54/29.01
  6. Step 6: Final answer
    x = 31.57

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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.