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Finding the Fourth Proportional to 8,019,062.10, 12,028,593.15 and 7,859,629.80

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Solution

The fourth proportional to 8,019,062.10, 12,028,593.15 and 7,859,629.80 is: 11,789,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019,062.10 : 12,028,593.15 = 7,859,629.80 : x
  2. Step 2: Convert to fraction form
    8,019,062.10/12,028,593.15 = 7,859,629.80/x
  3. Step 3: Cross multiply
    8,019,062.10x = 12,028,593.15 × 7,859,629.80
  4. Step 4: Simplify right side
    8,019,062.10x = 94,540,289,173,815.88
  5. Step 5: Solve for x
    x = 94,540,289,173,815.88/8,019,062.10
  6. Step 6: Final answer
    x = 11,789,444.70

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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.