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Finding the Fourth Proportional to 7,093,772.86, 9,787,381.25 and 3,995,212.46

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Solution

The fourth proportional to 7,093,772.86, 9,787,381.25 and 3,995,212.46 is: 5,512,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093,772.86 : 9,787,381.25 = 3,995,212.46 : x
  2. Step 2: Convert to fraction form
    7,093,772.86/9,787,381.25 = 3,995,212.46/x
  3. Step 3: Cross multiply
    7,093,772.86x = 9,787,381.25 × 3,995,212.46
  4. Step 4: Simplify right side
    7,093,772.86x = 39,102,667,520,956.59
  5. Step 5: Solve for x
    x = 39,102,667,520,956.59/7,093,772.86
  6. Step 6: Final answer
    x = 5,512,252.55

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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.