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Finding the Fourth Proportional to 6,145,640.91, 8,480,983.12 and 3,392,327.62

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Solution

The fourth proportional to 6,145,640.91, 8,480,983.12 and 3,392,327.62 is: 4,681,411.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,640.91 : 8,480,983.12 = 3,392,327.62 : x
  2. Step 2: Convert to fraction form
    6,145,640.91/8,480,983.12 = 3,392,327.62/x
  3. Step 3: Cross multiply
    6,145,640.91x = 8,480,983.12 × 3,392,327.62
  4. Step 4: Simplify right side
    6,145,640.91x = 28,770,273,240,324.86
  5. Step 5: Solve for x
    x = 28,770,273,240,324.86/6,145,640.91
  6. Step 6: Final answer
    x = 4,681,411.37

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1.5x scale

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.