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Finding the Fourth Proportional to 69,952.58, 104,959.86 and 36,664.72

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Solution

The fourth proportional to 69,952.58, 104,959.86 and 36,664.72 is: 55,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,952.58 : 104,959.86 = 36,664.72 : x
  2. Step 2: Convert to fraction form
    69,952.58/104,959.86 = 36,664.72/x
  3. Step 3: Cross multiply
    69,952.58x = 104,959.86 × 36,664.72
  4. Step 4: Simplify right side
    69,952.58x = 3,848,323,878.14
  5. Step 5: Solve for x
    x = 3,848,323,878.14/69,952.58
  6. Step 6: Final answer
    x = 55,013.32

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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.