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Finding the Fourth Proportional to 10.74, 14.82 and 6.07

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Solution

The fourth proportional to 10.74, 14.82 and 6.07 is: 8.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.74 : 14.82 = 6.07 : x
  2. Step 2: Convert to fraction form
    10.74/14.82 = 6.07/x
  3. Step 3: Cross multiply
    10.74x = 14.82 × 6.07
  4. Step 4: Simplify right side
    10.74x = 89.92
  5. Step 5: Solve for x
    x = 89.92/10.74
  6. Step 6: Final answer
    x = 8.37

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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.