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Finding the Fourth Proportional to 8,789,201.20, 13,183,801.80 and 5,797,385.20

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Solution

The fourth proportional to 8,789,201.20, 13,183,801.80 and 5,797,385.20 is: 8,696,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,201.20 : 13,183,801.80 = 5,797,385.20 : x
  2. Step 2: Convert to fraction form
    8,789,201.20/13,183,801.80 = 5,797,385.20/x
  3. Step 3: Cross multiply
    8,789,201.20x = 13,183,801.80 × 5,797,385.20
  4. Step 4: Simplify right side
    8,789,201.20x = 76,431,577,435,053.36
  5. Step 5: Solve for x
    x = 76,431,577,435,053.36/8,789,201.20
  6. Step 6: Final answer
    x = 8,696,077.80

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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.