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Finding the Fourth Proportional to 29.64, 44.45 and 12.52

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Solution

The fourth proportional to 29.64, 44.45 and 12.52 is: 18.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.64 : 44.45 = 12.52 : x
  2. Step 2: Convert to fraction form
    29.64/44.45 = 12.52/x
  3. Step 3: Cross multiply
    29.64x = 44.45 × 12.52
  4. Step 4: Simplify right side
    29.64x = 556.55
  5. Step 5: Solve for x
    x = 556.55/29.64
  6. Step 6: Final answer
    x = 18.77

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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.