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Finding the Fourth Proportional to 14.74, 22.05 and 9.29

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Solution

The fourth proportional to 14.74, 22.05 and 9.29 is: 13.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.74 : 22.05 = 9.29 : x
  2. Step 2: Convert to fraction form
    14.74/22.05 = 9.29/x
  3. Step 3: Cross multiply
    14.74x = 22.05 × 9.29
  4. Step 4: Simplify right side
    14.74x = 204.87
  5. Step 5: Solve for x
    x = 204.87/14.74
  6. Step 6: Final answer
    x = 13.90

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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.