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Finding the Fourth Proportional to 69,398.49, 104,097.40 and 16,807.98

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Solution

The fourth proportional to 69,398.49, 104,097.40 and 16,807.98 is: 25,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,398.49 : 104,097.40 = 16,807.98 : x
  2. Step 2: Convert to fraction form
    69,398.49/104,097.40 = 16,807.98/x
  3. Step 3: Cross multiply
    69,398.49x = 104,097.40 × 16,807.98
  4. Step 4: Simplify right side
    69,398.49x = 1,749,667,365.60
  5. Step 5: Solve for x
    x = 1,749,667,365.60/69,398.49
  6. Step 6: Final answer
    x = 25,211.89

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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.