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Finding the Fourth Proportional to 29.68, 44.34 and 22.40

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Solution

The fourth proportional to 29.68, 44.34 and 22.40 is: 33.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.68 : 44.34 = 22.40 : x
  2. Step 2: Convert to fraction form
    29.68/44.34 = 22.40/x
  3. Step 3: Cross multiply
    29.68x = 44.34 × 22.40
  4. Step 4: Simplify right side
    29.68x = 993.22
  5. Step 5: Solve for x
    x = 993.22/29.68
  6. Step 6: Final answer
    x = 33.46

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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.