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Finding the Fourth Proportional to 8,766,009.20, 13,149,013.80 and 2,376,251.30

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Solution

The fourth proportional to 8,766,009.20, 13,149,013.80 and 2,376,251.30 is: 3,564,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766,009.20 : 13,149,013.80 = 2,376,251.30 : x
  2. Step 2: Convert to fraction form
    8,766,009.20/13,149,013.80 = 2,376,251.30/x
  3. Step 3: Cross multiply
    8,766,009.20x = 13,149,013.80 × 2,376,251.30
  4. Step 4: Simplify right side
    8,766,009.20x = 31,245,361,135,967.94
  5. Step 5: Solve for x
    x = 31,245,361,135,967.94/8,766,009.20
  6. Step 6: Final answer
    x = 3,564,376.95

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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.