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Finding the Fourth Proportional to 22.34, 33.51 and 14.70

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Solution

The fourth proportional to 22.34, 33.51 and 14.70 is: 22.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.34 : 33.51 = 14.70 : x
  2. Step 2: Convert to fraction form
    22.34/33.51 = 14.70/x
  3. Step 3: Cross multiply
    22.34x = 33.51 × 14.70
  4. Step 4: Simplify right side
    22.34x = 492.60
  5. Step 5: Solve for x
    x = 492.60/22.34
  6. Step 6: Final answer
    x = 22.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.