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Finding the Fourth Proportional to 10,836,180.80, 16,253,752.80 and 3,647,009.60

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Solution

The fourth proportional to 10,836,180.80, 16,253,752.80 and 3,647,009.60 is: 5,470,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836,180.80 : 16,253,752.80 = 3,647,009.60 : x
  2. Step 2: Convert to fraction form
    10,836,180.80/16,253,752.80 = 3,647,009.60/x
  3. Step 3: Cross multiply
    10,836,180.80x = 16,253,752.80 × 3,647,009.60
  4. Step 4: Simplify right side
    10,836,180.80x = 59,277,592,497,626.88
  5. Step 5: Solve for x
    x = 59,277,592,497,626.88/10,836,180.80
  6. Step 6: Final answer
    x = 5,470,339.93

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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.