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Finding the Fourth Proportional to 69,491.66, 104,256.92 and 27,345.74

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Solution

The fourth proportional to 69,491.66, 104,256.92 and 27,345.74 is: 41,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,491.66 : 104,256.92 = 27,345.74 : x
  2. Step 2: Convert to fraction form
    69,491.66/104,256.92 = 27,345.74/x
  3. Step 3: Cross multiply
    69,491.66x = 104,256.92 × 27,345.74
  4. Step 4: Simplify right side
    69,491.66x = 2,850,982,174.60
  5. Step 5: Solve for x
    x = 2,850,982,174.60/69,491.66
  6. Step 6: Final answer
    x = 41,026.25

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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.