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Finding the Fourth Proportional to 29.53, 44.31 and 11.50

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Solution

The fourth proportional to 29.53, 44.31 and 11.50 is: 17.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.53 : 44.31 = 11.50 : x
  2. Step 2: Convert to fraction form
    29.53/44.31 = 11.50/x
  3. Step 3: Cross multiply
    29.53x = 44.31 × 11.50
  4. Step 4: Simplify right side
    29.53x = 509.57
  5. Step 5: Solve for x
    x = 509.57/29.53
  6. Step 6: Final answer
    x = 17.26

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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.