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Finding the Fourth Proportional to 69,700.61, 104,552.97 and 17,110.09

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Solution

The fourth proportional to 69,700.61, 104,552.97 and 17,110.09 is: 25,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,700.61 : 104,552.97 = 17,110.09 : x
  2. Step 2: Convert to fraction form
    69,700.61/104,552.97 = 17,110.09/x
  3. Step 3: Cross multiply
    69,700.61x = 104,552.97 × 17,110.09
  4. Step 4: Simplify right side
    69,700.61x = 1,788,910,726.47
  5. Step 5: Solve for x
    x = 1,788,910,726.47/69,700.61
  6. Step 6: Final answer
    x = 25,665.64

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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.