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Finding the Fourth Proportional to 54.44, 75.12 and 35.04

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Solution

The fourth proportional to 54.44, 75.12 and 35.04 is: 48.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.44 : 75.12 = 35.04 : x
  2. Step 2: Convert to fraction form
    54.44/75.12 = 35.04/x
  3. Step 3: Cross multiply
    54.44x = 75.12 × 35.04
  4. Step 4: Simplify right side
    54.44x = 2,632.20
  5. Step 5: Solve for x
    x = 2,632.20/54.44
  6. Step 6: Final answer
    x = 48.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.