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Finding the Fourth Proportional to 109.64, 164.44 and 37.52

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Solution

The fourth proportional to 109.64, 164.44 and 37.52 is: 56.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109.64 : 164.44 = 37.52 : x
  2. Step 2: Convert to fraction form
    109.64/164.44 = 37.52/x
  3. Step 3: Cross multiply
    109.64x = 164.44 × 37.52
  4. Step 4: Simplify right side
    109.64x = 6,169.79
  5. Step 5: Solve for x
    x = 6,169.79/109.64
  6. Step 6: Final answer
    x = 56.27

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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.