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Finding the Fourth Proportional to 29.47, 44.18 and 15.94

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Solution

The fourth proportional to 29.47, 44.18 and 15.94 is: 23.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.47 : 44.18 = 15.94 : x
  2. Step 2: Convert to fraction form
    29.47/44.18 = 15.94/x
  3. Step 3: Cross multiply
    29.47x = 44.18 × 15.94
  4. Step 4: Simplify right side
    29.47x = 704.23
  5. Step 5: Solve for x
    x = 704.23/29.47
  6. Step 6: Final answer
    x = 23.90

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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.