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Finding the Fourth Proportional to 29.51, 44.28 and 11.48

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Solution

The fourth proportional to 29.51, 44.28 and 11.48 is: 17.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.51 : 44.28 = 11.48 : x
  2. Step 2: Convert to fraction form
    29.51/44.28 = 11.48/x
  3. Step 3: Cross multiply
    29.51x = 44.28 × 11.48
  4. Step 4: Simplify right side
    29.51x = 508.11
  5. Step 5: Solve for x
    x = 508.11/29.51
  6. Step 6: Final answer
    x = 17.22

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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.