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Finding the Fourth Proportional to 29.45, 44.17 and 8.07

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Solution

The fourth proportional to 29.45, 44.17 and 8.07 is: 12.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.45 : 44.17 = 8.07 : x
  2. Step 2: Convert to fraction form
    29.45/44.17 = 8.07/x
  3. Step 3: Cross multiply
    29.45x = 44.17 × 8.07
  4. Step 4: Simplify right side
    29.45x = 356.45
  5. Step 5: Solve for x
    x = 356.45/29.45
  6. Step 6: Final answer
    x = 12.10

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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.