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Finding the Fourth Proportional to 69,997.56, 104,996.40 and 17,407.02

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Solution

The fourth proportional to 69,997.56, 104,996.40 and 17,407.02 is: 26,110.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,997.56 : 104,996.40 = 17,407.02 : x
  2. Step 2: Convert to fraction form
    69,997.56/104,996.40 = 17,407.02/x
  3. Step 3: Cross multiply
    69,997.56x = 104,996.40 × 17,407.02
  4. Step 4: Simplify right side
    69,997.56x = 1,827,674,434.73
  5. Step 5: Solve for x
    x = 1,827,674,434.73/69,997.56
  6. Step 6: Final answer
    x = 26,110.54

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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.