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Finding the Fourth Proportional to 6,237,651.60, 9,359,976.60 and 2,642,806.80

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Solution

The fourth proportional to 6,237,651.60, 9,359,976.60 and 2,642,806.80 is: 3,965,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237,651.60 : 9,359,976.60 = 2,642,806.80 : x
  2. Step 2: Convert to fraction form
    6,237,651.60/9,359,976.60 = 2,642,806.80/x
  3. Step 3: Cross multiply
    6,237,651.60x = 9,359,976.60 × 2,642,806.80
  4. Step 4: Simplify right side
    6,237,651.60x = 24,736,609,806,320.88
  5. Step 5: Solve for x
    x = 24,736,609,806,320.88/6,237,651.60
  6. Step 6: Final answer
    x = 3,965,692.76

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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.