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Finding the Fourth Proportional to 6,487,933.91, 9,731,910.11 and 2,649,757.01

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Solution

The fourth proportional to 6,487,933.91, 9,731,910.11 and 2,649,757.01 is: 3,974,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487,933.91 : 9,731,910.11 = 2,649,757.01 : x
  2. Step 2: Convert to fraction form
    6,487,933.91/9,731,910.11 = 2,649,757.01/x
  3. Step 3: Cross multiply
    6,487,933.91x = 9,731,910.11 × 2,649,757.01
  4. Step 4: Simplify right side
    6,487,933.91x = 25,787,196,972,754.04
  5. Step 5: Solve for x
    x = 25,787,196,972,754.04/6,487,933.91
  6. Step 6: Final answer
    x = 3,974,639.28

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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.