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Finding the Fourth Proportional to 69,700.74, 104,553.15 and 17,110.22

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Solution

The fourth proportional to 69,700.74, 104,553.15 and 17,110.22 is: 25,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,700.74 : 104,553.15 = 17,110.22 : x
  2. Step 2: Convert to fraction form
    69,700.74/104,553.15 = 17,110.22/x
  3. Step 3: Cross multiply
    69,700.74x = 104,553.15 × 17,110.22
  4. Step 4: Simplify right side
    69,700.74x = 1,788,927,331.66
  5. Step 5: Solve for x
    x = 1,788,927,331.66/69,700.74
  6. Step 6: Final answer
    x = 25,665.83

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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.