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Finding the Fourth Proportional to 54,879.92, 82,260.82 and 35,897.40

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Solution

The fourth proportional to 54,879.92, 82,260.82 and 35,897.40 is: 53,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,879.92 : 82,260.82 = 35,897.40 : x
  2. Step 2: Convert to fraction form
    54,879.92/82,260.82 = 35,897.40/x
  3. Step 3: Cross multiply
    54,879.92x = 82,260.82 × 35,897.40
  4. Step 4: Simplify right side
    54,879.92x = 2,952,949,785.62
  5. Step 5: Solve for x
    x = 2,952,949,785.62/54,879.92
  6. Step 6: Final answer
    x = 53,807.48

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Why These Related Problems?

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