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Finding the Fourth Proportional to 54,978.72, 82,480.86 and 23,390.52

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Solution

The fourth proportional to 54,978.72, 82,480.86 and 23,390.52 is: 35,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978.72 : 82,480.86 = 23,390.52 : x
  2. Step 2: Convert to fraction form
    54,978.72/82,480.86 = 23,390.52/x
  3. Step 3: Cross multiply
    54,978.72x = 82,480.86 × 23,390.52
  4. Step 4: Simplify right side
    54,978.72x = 1,929,270,205.45
  5. Step 5: Solve for x
    x = 1,929,270,205.45/54,978.72
  6. Step 6: Final answer
    x = 35,091.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.