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Finding the Fourth Proportional to 22.34, 33.26 and 22.30

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Solution

The fourth proportional to 22.34, 33.26 and 22.30 is: 33.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.34 : 33.26 = 22.30 : x
  2. Step 2: Convert to fraction form
    22.34/33.26 = 22.30/x
  3. Step 3: Cross multiply
    22.34x = 33.26 × 22.30
  4. Step 4: Simplify right side
    22.34x = 741.50
  5. Step 5: Solve for x
    x = 741.50/22.34
  6. Step 6: Final answer
    x = 33.19

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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.