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Finding the Fourth Proportional to 69,914.57, 104,870.84 and 17,323.70

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Solution

The fourth proportional to 69,914.57, 104,870.84 and 17,323.70 is: 25,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,914.57 : 104,870.84 = 17,323.70 : x
  2. Step 2: Convert to fraction form
    69,914.57/104,870.84 = 17,323.70/x
  3. Step 3: Cross multiply
    69,914.57x = 104,870.84 × 17,323.70
  4. Step 4: Simplify right side
    69,914.57x = 1,816,750,359.94
  5. Step 5: Solve for x
    x = 1,816,750,359.94/69,914.57
  6. Step 6: Final answer
    x = 25,985.29

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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.