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Finding the Fourth Proportional to 6,599,647.80, 9,899,471.70 and 5,801,830.20

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Solution

The fourth proportional to 6,599,647.80, 9,899,471.70 and 5,801,830.20 is: 8,702,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599,647.80 : 9,899,471.70 = 5,801,830.20 : x
  2. Step 2: Convert to fraction form
    6,599,647.80/9,899,471.70 = 5,801,830.20/x
  3. Step 3: Cross multiply
    6,599,647.80x = 9,899,471.70 × 5,801,830.20
  4. Step 4: Simplify right side
    6,599,647.80x = 57,435,053,873,105.34
  5. Step 5: Solve for x
    x = 57,435,053,873,105.34/6,599,647.80
  6. Step 6: Final answer
    x = 8,702,745.30

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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.