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Finding the Fourth Proportional to 69,513.71, 104,276.03 and 27,390.87

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Solution

The fourth proportional to 69,513.71, 104,276.03 and 27,390.87 is: 41,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,513.71 : 104,276.03 = 27,390.87 : x
  2. Step 2: Convert to fraction form
    69,513.71/104,276.03 = 27,390.87/x
  3. Step 3: Cross multiply
    69,513.71x = 104,276.03 × 27,390.87
  4. Step 4: Simplify right side
    69,513.71x = 2,856,211,044.89
  5. Step 5: Solve for x
    x = 2,856,211,044.89/69,513.71
  6. Step 6: Final answer
    x = 41,088.46

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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.