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Finding the Fourth Proportional to 8,349,713.86, 12,520,623.24 and 3,234,539.56

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Solution

The fourth proportional to 8,349,713.86, 12,520,623.24 and 3,234,539.56 is: 4,850,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349,713.86 : 12,520,623.24 = 3,234,539.56 : x
  2. Step 2: Convert to fraction form
    8,349,713.86/12,520,623.24 = 3,234,539.56/x
  3. Step 3: Cross multiply
    8,349,713.86x = 12,520,623.24 × 3,234,539.56
  4. Step 4: Simplify right side
    8,349,713.86x = 40,498,451,185,635.38
  5. Step 5: Solve for x
    x = 40,498,451,185,635.38/8,349,713.86
  6. Step 6: Final answer
    x = 4,850,280.13

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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.