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Finding the Fourth Proportional to 29.45, 44.16 and 12.34

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Solution

The fourth proportional to 29.45, 44.16 and 12.34 is: 18.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.45 : 44.16 = 12.34 : x
  2. Step 2: Convert to fraction form
    29.45/44.16 = 12.34/x
  3. Step 3: Cross multiply
    29.45x = 44.16 × 12.34
  4. Step 4: Simplify right side
    29.45x = 544.82
  5. Step 5: Solve for x
    x = 544.82/29.45
  6. Step 6: Final answer
    x = 18.50

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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.