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Finding the Fourth Proportional to 69,324.36, 103,891.73 and 37,693.05

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Solution

The fourth proportional to 69,324.36, 103,891.73 and 37,693.05 is: 56,488.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,324.36 : 103,891.73 = 37,693.05 : x
  2. Step 2: Convert to fraction form
    69,324.36/103,891.73 = 37,693.05/x
  3. Step 3: Cross multiply
    69,324.36x = 103,891.73 × 37,693.05
  4. Step 4: Simplify right side
    69,324.36x = 3,915,995,985.01
  5. Step 5: Solve for x
    x = 3,915,995,985.01/69,324.36
  6. Step 6: Final answer
    x = 56,488.02

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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.