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Finding the Fourth Proportional to 6,793,787.45, 9,375,684.56 and 3,893,737.97

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Solution

The fourth proportional to 6,793,787.45, 9,375,684.56 and 3,893,737.97 is: 5,373,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793,787.45 : 9,375,684.56 = 3,893,737.97 : x
  2. Step 2: Convert to fraction form
    6,793,787.45/9,375,684.56 = 3,893,737.97/x
  3. Step 3: Cross multiply
    6,793,787.45x = 9,375,684.56 × 3,893,737.97
  4. Step 4: Simplify right side
    6,793,787.45x = 36,506,458,984,586.78
  5. Step 5: Solve for x
    x = 36,506,458,984,586.78/6,793,787.45
  6. Step 6: Final answer
    x = 5,373,506.20

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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.