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Finding the Fourth Proportional to 8,596,708.80, 12,876,400.80 and 7,103,716.80

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Solution

The fourth proportional to 8,596,708.80, 12,876,400.80 and 7,103,716.80 is: 10,640,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596,708.80 : 12,876,400.80 = 7,103,716.80 : x
  2. Step 2: Convert to fraction form
    8,596,708.80/12,876,400.80 = 7,103,716.80/x
  3. Step 3: Cross multiply
    8,596,708.80x = 12,876,400.80 × 7,103,716.80
  4. Step 4: Simplify right side
    8,596,708.80x = 91,470,304,686,493.44
  5. Step 5: Solve for x
    x = 91,470,304,686,493.44/8,596,708.80
  6. Step 6: Final answer
    x = 10,640,153.90

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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.