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Finding the Fourth Proportional to 4,996,988.88, 6,895,846.97 and 2,705,149.57

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Solution

The fourth proportional to 4,996,988.88, 6,895,846.97 and 2,705,149.57 is: 3,733,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996,988.88 : 6,895,846.97 = 2,705,149.57 : x
  2. Step 2: Convert to fraction form
    4,996,988.88/6,895,846.97 = 2,705,149.57/x
  3. Step 3: Cross multiply
    4,996,988.88x = 6,895,846.97 × 2,705,149.57
  4. Step 4: Simplify right side
    4,996,988.88x = 18,654,297,452,155.55
  5. Step 5: Solve for x
    x = 18,654,297,452,155.55/4,996,988.88
  6. Step 6: Final answer
    x = 3,733,107.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.