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Finding the Fourth Proportional to 5,766,286.56, 7,957,641.56 and 3,188,133.76

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Solution

The fourth proportional to 5,766,286.56, 7,957,641.56 and 3,188,133.76 is: 4,399,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766,286.56 : 7,957,641.56 = 3,188,133.76 : x
  2. Step 2: Convert to fraction form
    5,766,286.56/7,957,641.56 = 3,188,133.76/x
  3. Step 3: Cross multiply
    5,766,286.56x = 7,957,641.56 × 3,188,133.76
  4. Step 4: Simplify right side
    5,766,286.56x = 25,370,025,707,415.06
  5. Step 5: Solve for x
    x = 25,370,025,707,415.06/5,766,286.56
  6. Step 6: Final answer
    x = 4,399,716.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.