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Finding the Fourth Proportional to 6,383,769.72, 8,801,634.06 and 4,088,156.28

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Solution

The fourth proportional to 6,383,769.72, 8,801,634.06 and 4,088,156.28 is: 5,636,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383,769.72 : 8,801,634.06 = 4,088,156.28 : x
  2. Step 2: Convert to fraction form
    6,383,769.72/8,801,634.06 = 4,088,156.28/x
  3. Step 3: Cross multiply
    6,383,769.72x = 8,801,634.06 × 4,088,156.28
  4. Step 4: Simplify right side
    6,383,769.72x = 35,982,455,556,650.90
  5. Step 5: Solve for x
    x = 35,982,455,556,650.90/6,383,769.72
  6. Step 6: Final answer
    x = 5,636,552.87

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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.