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Finding the Fourth Proportional to 8,509,558.80, 12,766,087.80 and 2,833,856.40

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Solution

The fourth proportional to 8,509,558.80, 12,766,087.80 and 2,833,856.40 is: 4,251,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,558.80 : 12,766,087.80 = 2,833,856.40 : x
  2. Step 2: Convert to fraction form
    8,509,558.80/12,766,087.80 = 2,833,856.40/x
  3. Step 3: Cross multiply
    8,509,558.80x = 12,766,087.80 × 2,833,856.40
  4. Step 4: Simplify right side
    8,509,558.80x = 36,177,259,614,991.92
  5. Step 5: Solve for x
    x = 36,177,259,614,991.92/8,509,558.80
  6. Step 6: Final answer
    x = 4,251,367.25

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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.