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Finding the Fourth Proportional to 6,883,991.68, 9,500,087.74 and 3,786,594.88

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Solution

The fourth proportional to 6,883,991.68, 9,500,087.74 and 3,786,594.88 is: 5,225,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,883,991.68 : 9,500,087.74 = 3,786,594.88 : x
  2. Step 2: Convert to fraction form
    6,883,991.68/9,500,087.74 = 3,786,594.88/x
  3. Step 3: Cross multiply
    6,883,991.68x = 9,500,087.74 × 3,786,594.88
  4. Step 4: Simplify right side
    6,883,991.68x = 35,972,983,595,834.77
  5. Step 5: Solve for x
    x = 35,972,983,595,834.77/6,883,991.68
  6. Step 6: Final answer
    x = 5,225,599.52

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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.