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Finding the Fourth Proportional to 29.64, 44.45 and 15.17

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Solution

The fourth proportional to 29.64, 44.45 and 15.17 is: 22.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.64 : 44.45 = 15.17 : x
  2. Step 2: Convert to fraction form
    29.64/44.45 = 15.17/x
  3. Step 3: Cross multiply
    29.64x = 44.45 × 15.17
  4. Step 4: Simplify right side
    29.64x = 674.01
  5. Step 5: Solve for x
    x = 674.01/29.64
  6. Step 6: Final answer
    x = 22.74

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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.