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Finding the Fourth Proportional to 29.69, 44.54 and 10.43

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Solution

The fourth proportional to 29.69, 44.54 and 10.43 is: 15.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.69 : 44.54 = 10.43 : x
  2. Step 2: Convert to fraction form
    29.69/44.54 = 10.43/x
  3. Step 3: Cross multiply
    29.69x = 44.54 × 10.43
  4. Step 4: Simplify right side
    29.69x = 464.53
  5. Step 5: Solve for x
    x = 464.53/29.69
  6. Step 6: Final answer
    x = 15.65

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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.