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Finding the Fourth Proportional to 29.03, 40.01 and 22.48

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Solution

The fourth proportional to 29.03, 40.01 and 22.48 is: 30.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.03 : 40.01 = 22.48 : x
  2. Step 2: Convert to fraction form
    29.03/40.01 = 22.48/x
  3. Step 3: Cross multiply
    29.03x = 40.01 × 22.48
  4. Step 4: Simplify right side
    29.03x = 899.42
  5. Step 5: Solve for x
    x = 899.42/29.03
  6. Step 6: Final answer
    x = 30.98

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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.