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Finding the Fourth Proportional to 55.01, 75.93 and 44.09

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Solution

The fourth proportional to 55.01, 75.93 and 44.09 is: 60.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.01 : 75.93 = 44.09 : x
  2. Step 2: Convert to fraction form
    55.01/75.93 = 44.09/x
  3. Step 3: Cross multiply
    55.01x = 75.93 × 44.09
  4. Step 4: Simplify right side
    55.01x = 3,347.75
  5. Step 5: Solve for x
    x = 3,347.75/55.01
  6. Step 6: Final answer
    x = 60.86

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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.