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Finding the Fourth Proportional to 6,583,843.82, 9,874,767.81 and 1,791,906.50

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Solution

The fourth proportional to 6,583,843.82, 9,874,767.81 and 1,791,906.50 is: 2,687,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,583,843.82 : 9,874,767.81 = 1,791,906.50 : x
  2. Step 2: Convert to fraction form
    6,583,843.82/9,874,767.81 = 1,791,906.50/x
  3. Step 3: Cross multiply
    6,583,843.82x = 9,874,767.81 × 1,791,906.50
  4. Step 4: Simplify right side
    6,583,843.82x = 17,694,660,624,729.77
  5. Step 5: Solve for x
    x = 17,694,660,624,729.77/6,583,843.82
  6. Step 6: Final answer
    x = 2,687,588.15

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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.