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Finding the Fourth Proportional to 37.12, 55.44 and 36.16

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Solution

The fourth proportional to 37.12, 55.44 and 36.16 is: 54.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.12 : 55.44 = 36.16 : x
  2. Step 2: Convert to fraction form
    37.12/55.44 = 36.16/x
  3. Step 3: Cross multiply
    37.12x = 55.44 × 36.16
  4. Step 4: Simplify right side
    37.12x = 2,004.71
  5. Step 5: Solve for x
    x = 2,004.71/37.12
  6. Step 6: Final answer
    x = 54.01

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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.