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Finding the Fourth Proportional to 3,889,727.55, 5,834,591.33 and 3,889,727.55

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Solution

The fourth proportional to 3,889,727.55, 5,834,591.33 and 3,889,727.55 is: 5,834,591.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,727.55 : 5,834,591.33 = 3,889,727.55 : x
  2. Step 2: Convert to fraction form
    3,889,727.55/5,834,591.33 = 3,889,727.55/x
  3. Step 3: Cross multiply
    3,889,727.55x = 5,834,591.33 × 3,889,727.55
  4. Step 4: Simplify right side
    3,889,727.55x = 22,694,970,619,843.50
  5. Step 5: Solve for x
    x = 22,694,970,619,843.50/3,889,727.55
  6. Step 6: Final answer
    x = 5,834,591.33

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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.