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Finding the Fourth Proportional to 29.46, 44.14 and 15

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Solution

The fourth proportional to 29.46, 44.14 and 15 is: 22.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.46 : 44.14 = 15 : x
  2. Step 2: Convert to fraction form
    29.46/44.14 = 15/x
  3. Step 3: Cross multiply
    29.46x = 44.14 × 15
  4. Step 4: Simplify right side
    29.46x = 662.10
  5. Step 5: Solve for x
    x = 662.10/29.46
  6. Step 6: Final answer
    x = 22.47

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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.