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Finding the Fourth Proportional to 23.74, 35.52 and 14.70

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Solution

The fourth proportional to 23.74, 35.52 and 14.70 is: 21.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.74 : 35.52 = 14.70 : x
  2. Step 2: Convert to fraction form
    23.74/35.52 = 14.70/x
  3. Step 3: Cross multiply
    23.74x = 35.52 × 14.70
  4. Step 4: Simplify right side
    23.74x = 522.14
  5. Step 5: Solve for x
    x = 522.14/23.74
  6. Step 6: Final answer
    x = 21.99

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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.