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Finding the Fourth Proportional to 69,491.89, 104,252.55 and 26,798.41

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Solution

The fourth proportional to 69,491.89, 104,252.55 and 26,798.41 is: 40,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,491.89 : 104,252.55 = 26,798.41 : x
  2. Step 2: Convert to fraction form
    69,491.89/104,252.55 = 26,798.41/x
  3. Step 3: Cross multiply
    69,491.89x = 104,252.55 × 26,798.41
  4. Step 4: Simplify right side
    69,491.89x = 2,793,802,578.45
  5. Step 5: Solve for x
    x = 2,793,802,578.45/69,491.89
  6. Step 6: Final answer
    x = 40,203.29

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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.