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Finding the Fourth Proportional to 6,288,754.48, 8,678,789.09 and 3,536,308.41

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Solution

The fourth proportional to 6,288,754.48, 8,678,789.09 and 3,536,308.41 is: 4,880,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288,754.48 : 8,678,789.09 = 3,536,308.41 : x
  2. Step 2: Convert to fraction form
    6,288,754.48/8,678,789.09 = 3,536,308.41/x
  3. Step 3: Cross multiply
    6,288,754.48x = 8,678,789.09 × 3,536,308.41
  4. Step 4: Simplify right side
    6,288,754.48x = 30,690,874,847,583.25
  5. Step 5: Solve for x
    x = 30,690,874,847,583.25/6,288,754.48
  6. Step 6: Final answer
    x = 4,880,278.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.