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Finding the Fourth Proportional to 8,986,469.80, 13,479,704.70 and 2,596,930.60

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Solution

The fourth proportional to 8,986,469.80, 13,479,704.70 and 2,596,930.60 is: 3,895,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,469.80 : 13,479,704.70 = 2,596,930.60 : x
  2. Step 2: Convert to fraction form
    8,986,469.80/13,479,704.70 = 2,596,930.60/x
  3. Step 3: Cross multiply
    8,986,469.80x = 13,479,704.70 × 2,596,930.60
  4. Step 4: Simplify right side
    8,986,469.80x = 35,005,857,614,393.82
  5. Step 5: Solve for x
    x = 35,005,857,614,393.82/8,986,469.80
  6. Step 6: Final answer
    x = 3,895,395.90

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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.