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Finding the Fourth Proportional to 69,573.79, 104,359.11 and 16,983.10

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Solution

The fourth proportional to 69,573.79, 104,359.11 and 16,983.10 is: 25,474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,573.79 : 104,359.11 = 16,983.10 : x
  2. Step 2: Convert to fraction form
    69,573.79/104,359.11 = 16,983.10/x
  3. Step 3: Cross multiply
    69,573.79x = 104,359.11 × 16,983.10
  4. Step 4: Simplify right side
    69,573.79x = 1,772,341,201.04
  5. Step 5: Solve for x
    x = 1,772,341,201.04/69,573.79
  6. Step 6: Final answer
    x = 25,474.27

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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.