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Finding the Fourth Proportional to 6,793,865.54, 9,375,792.49 and 3,893,816.06

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Solution

The fourth proportional to 6,793,865.54, 9,375,792.49 and 3,893,816.06 is: 5,373,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793,865.54 : 9,375,792.49 = 3,893,816.06 : x
  2. Step 2: Convert to fraction form
    6,793,865.54/9,375,792.49 = 3,893,816.06/x
  3. Step 3: Cross multiply
    6,793,865.54x = 9,375,792.49 × 3,893,816.06
  4. Step 4: Simplify right side
    6,793,865.54x = 36,507,611,372,789.39
  5. Step 5: Solve for x
    x = 36,507,611,372,789.39/6,793,865.54
  6. Step 6: Final answer
    x = 5,373,614.06

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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.