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Finding the Fourth Proportional to 8,836,356.80, 13,251,910.80 and 3,441,902.60

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Solution

The fourth proportional to 8,836,356.80, 13,251,910.80 and 3,441,902.60 is: 5,161,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836,356.80 : 13,251,910.80 = 3,441,902.60 : x
  2. Step 2: Convert to fraction form
    8,836,356.80/13,251,910.80 = 3,441,902.60/x
  3. Step 3: Cross multiply
    8,836,356.80x = 13,251,910.80 × 3,441,902.60
  4. Step 4: Simplify right side
    8,836,356.80x = 45,611,786,237,488.09
  5. Step 5: Solve for x
    x = 45,611,786,237,488.09/8,836,356.80
  6. Step 6: Final answer
    x = 5,161,831.65

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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.