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Finding the Fourth Proportional to 8,597,262.78, 12,895,891.77 and 5,893,390.61

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Solution

The fourth proportional to 8,597,262.78, 12,895,891.77 and 5,893,390.61 is: 8,840,084.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597,262.78 : 12,895,891.77 = 5,893,390.61 : x
  2. Step 2: Convert to fraction form
    8,597,262.78/12,895,891.77 = 5,893,390.61/x
  3. Step 3: Cross multiply
    8,597,262.78x = 12,895,891.77 × 5,893,390.61
  4. Step 4: Simplify right side
    8,597,262.78x = 76,000,527,470,874.62
  5. Step 5: Solve for x
    x = 76,000,527,470,874.62/8,597,262.78
  6. Step 6: Final answer
    x = 8,840,084.27

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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.