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Finding the Fourth Proportional to 14.10, 19.46 and 9.25

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Solution

The fourth proportional to 14.10, 19.46 and 9.25 is: 12.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.10 : 19.46 = 9.25 : x
  2. Step 2: Convert to fraction form
    14.10/19.46 = 9.25/x
  3. Step 3: Cross multiply
    14.10x = 19.46 × 9.25
  4. Step 4: Simplify right side
    14.10x = 179.98
  5. Step 5: Solve for x
    x = 179.98/14.10
  6. Step 6: Final answer
    x = 12.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.