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Finding the Fourth Proportional to 23.63, 35.20 and 22.07

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Solution

The fourth proportional to 23.63, 35.20 and 22.07 is: 32.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.63 : 35.20 = 22.07 : x
  2. Step 2: Convert to fraction form
    23.63/35.20 = 22.07/x
  3. Step 3: Cross multiply
    23.63x = 35.20 × 22.07
  4. Step 4: Simplify right side
    23.63x = 776.98
  5. Step 5: Solve for x
    x = 776.98/23.63
  6. Step 6: Final answer
    x = 32.89

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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.