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Finding the Fourth Proportional to 69,953.64, 104,961.37 and 36,665.74

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Solution

The fourth proportional to 69,953.64, 104,961.37 and 36,665.74 is: 55,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,953.64 : 104,961.37 = 36,665.74 : x
  2. Step 2: Convert to fraction form
    69,953.64/104,961.37 = 36,665.74/x
  3. Step 3: Cross multiply
    69,953.64x = 104,961.37 × 36,665.74
  4. Step 4: Simplify right side
    69,953.64x = 3,848,486,302.46
  5. Step 5: Solve for x
    x = 3,848,486,302.46/69,953.64
  6. Step 6: Final answer
    x = 55,014.81

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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.