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Finding the Fourth Proportional to 54.11, 74.70 and 44.93

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Solution

The fourth proportional to 54.11, 74.70 and 44.93 is: 62.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.11 : 74.70 = 44.93 : x
  2. Step 2: Convert to fraction form
    54.11/74.70 = 44.93/x
  3. Step 3: Cross multiply
    54.11x = 74.70 × 44.93
  4. Step 4: Simplify right side
    54.11x = 3,356.27
  5. Step 5: Solve for x
    x = 3,356.27/54.11
  6. Step 6: Final answer
    x = 62.03

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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.