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Finding the Fourth Proportional to 6,599,793.40, 9,891,816.90 and 5,922,698.20

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Solution

The fourth proportional to 6,599,793.40, 9,891,816.90 and 5,922,698.20 is: 8,876,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599,793.40 : 9,891,816.90 = 5,922,698.20 : x
  2. Step 2: Convert to fraction form
    6,599,793.40/9,891,816.90 = 5,922,698.20/x
  3. Step 3: Cross multiply
    6,599,793.40x = 9,891,816.90 × 5,922,698.20
  4. Step 4: Simplify right side
    6,599,793.40x = 58,586,246,148,359.59
  5. Step 5: Solve for x
    x = 58,586,246,148,359.59/6,599,793.40
  6. Step 6: Final answer
    x = 8,876,981.84

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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.