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Finding the Fourth Proportional to 69,953.39, 104,960.99 and 36,665.49

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Solution

The fourth proportional to 69,953.39, 104,960.99 and 36,665.49 is: 55,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,953.39 : 104,960.99 = 36,665.49 : x
  2. Step 2: Convert to fraction form
    69,953.39/104,960.99 = 36,665.49/x
  3. Step 3: Cross multiply
    69,953.39x = 104,960.99 × 36,665.49
  4. Step 4: Simplify right side
    69,953.39x = 3,848,446,220.90
  5. Step 5: Solve for x
    x = 3,848,446,220.90/69,953.39
  6. Step 6: Final answer
    x = 55,014.44

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1.5x scale

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.