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Finding the Fourth Proportional to 16.71, 25.04 and 9.48

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Solution

The fourth proportional to 16.71, 25.04 and 9.48 is: 14.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.71 : 25.04 = 9.48 : x
  2. Step 2: Convert to fraction form
    16.71/25.04 = 9.48/x
  3. Step 3: Cross multiply
    16.71x = 25.04 × 9.48
  4. Step 4: Simplify right side
    16.71x = 237.50
  5. Step 5: Solve for x
    x = 237.50/16.71
  6. Step 6: Final answer
    x = 14.22

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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.