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Finding the Fourth Proportional to 54,885.16, 75,745.02 and 33,661.54

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Solution

The fourth proportional to 54,885.16, 75,745.02 and 33,661.54 is: 46,455.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.16 : 75,745.02 = 33,661.54 : x
  2. Step 2: Convert to fraction form
    54,885.16/75,745.02 = 33,661.54/x
  3. Step 3: Cross multiply
    54,885.16x = 75,745.02 × 33,661.54
  4. Step 4: Simplify right side
    54,885.16x = 2,549,694,020.53
  5. Step 5: Solve for x
    x = 2,549,694,020.53/54,885.16
  6. Step 6: Final answer
    x = 46,455.07

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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.