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Finding the Fourth Proportional to 29.55, 44.33 and 11.52

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Solution

The fourth proportional to 29.55, 44.33 and 11.52 is: 17.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.55 : 44.33 = 11.52 : x
  2. Step 2: Convert to fraction form
    29.55/44.33 = 11.52/x
  3. Step 3: Cross multiply
    29.55x = 44.33 × 11.52
  4. Step 4: Simplify right side
    29.55x = 510.68
  5. Step 5: Solve for x
    x = 510.68/29.55
  6. Step 6: Final answer
    x = 17.28

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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.