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Finding the Fourth Proportional to 23.32, 35.03 and 14.78

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Solution

The fourth proportional to 23.32, 35.03 and 14.78 is: 22.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.32 : 35.03 = 14.78 : x
  2. Step 2: Convert to fraction form
    23.32/35.03 = 14.78/x
  3. Step 3: Cross multiply
    23.32x = 35.03 × 14.78
  4. Step 4: Simplify right side
    23.32x = 517.87
  5. Step 5: Solve for x
    x = 517.87/23.32
  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.