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Finding the Fourth Proportional to 69,952.32, 104,959.46 and 36,664.47

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Solution

The fourth proportional to 69,952.32, 104,959.46 and 36,664.47 is: 55,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,952.32 : 104,959.46 = 36,664.47 : x
  2. Step 2: Convert to fraction form
    69,952.32/104,959.46 = 36,664.47/x
  3. Step 3: Cross multiply
    69,952.32x = 104,959.46 × 36,664.47
  4. Step 4: Simplify right side
    69,952.32x = 3,848,283,064.05
  5. Step 5: Solve for x
    x = 3,848,283,064.05/69,952.32
  6. Step 6: Final answer
    x = 55,012.94

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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.