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Finding the Fourth Proportional to 69,958.56, 104,936.76 and 17,368.52

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Solution

The fourth proportional to 69,958.56, 104,936.76 and 17,368.52 is: 26,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,958.56 : 104,936.76 = 17,368.52 : x
  2. Step 2: Convert to fraction form
    69,958.56/104,936.76 = 17,368.52/x
  3. Step 3: Cross multiply
    69,958.56x = 104,936.76 × 17,368.52
  4. Step 4: Simplify right side
    69,958.56x = 1,822,596,214.80
  5. Step 5: Solve for x
    x = 1,822,596,214.80/69,958.56
  6. Step 6: Final answer
    x = 26,052.51

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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.