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Finding the Fourth Proportional to 29.61, 44.24 and 24.21

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Solution

The fourth proportional to 29.61, 44.24 and 24.21 is: 36.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.61 : 44.24 = 24.21 : x
  2. Step 2: Convert to fraction form
    29.61/44.24 = 24.21/x
  3. Step 3: Cross multiply
    29.61x = 44.24 × 24.21
  4. Step 4: Simplify right side
    29.61x = 1,070.93
  5. Step 5: Solve for x
    x = 1,070.93/29.61
  6. Step 6: Final answer
    x = 36.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.