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Finding the Fourth Proportional to 69,800.52, 104,701.86 and 17,210.04

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Solution

The fourth proportional to 69,800.52, 104,701.86 and 17,210.04 is: 25,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,800.52 : 104,701.86 = 17,210.04 : x
  2. Step 2: Convert to fraction form
    69,800.52/104,701.86 = 17,210.04/x
  3. Step 3: Cross multiply
    69,800.52x = 104,701.86 × 17,210.04
  4. Step 4: Simplify right side
    69,800.52x = 1,801,923,198.67
  5. Step 5: Solve for x
    x = 1,801,923,198.67/69,800.52
  6. Step 6: Final answer
    x = 25,815.33

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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.