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Finding the Fourth Proportional to 22.46, 33.64 and 14.83

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Solution

The fourth proportional to 22.46, 33.64 and 14.83 is: 22.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.46 : 33.64 = 14.83 : x
  2. Step 2: Convert to fraction form
    22.46/33.64 = 14.83/x
  3. Step 3: Cross multiply
    22.46x = 33.64 × 14.83
  4. Step 4: Simplify right side
    22.46x = 498.76
  5. Step 5: Solve for x
    x = 498.76/22.46
  6. Step 6: Final answer
    x = 22.21

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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.