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Finding the Fourth Proportional to 6,057,500.80, 9,078,532.80 and 3,218,972.80

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Solution

The fourth proportional to 6,057,500.80, 9,078,532.80 and 3,218,972.80 is: 4,824,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,057,500.80 : 9,078,532.80 = 3,218,972.80 : x
  2. Step 2: Convert to fraction form
    6,057,500.80/9,078,532.80 = 3,218,972.80/x
  3. Step 3: Cross multiply
    6,057,500.80x = 9,078,532.80 × 3,218,972.80
  4. Step 4: Simplify right side
    6,057,500.80x = 29,223,550,147,107.84
  5. Step 5: Solve for x
    x = 29,223,550,147,107.84/6,057,500.80
  6. Step 6: Final answer
    x = 4,824,357.62

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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.