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Finding the Fourth Proportional to 6,129,283.77, 8,458,468.84 and 3,375,981.38

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Solution

The fourth proportional to 6,129,283.77, 8,458,468.84 and 3,375,981.38 is: 4,658,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129,283.77 : 8,458,468.84 = 3,375,981.38 : x
  2. Step 2: Convert to fraction form
    6,129,283.77/8,458,468.84 = 3,375,981.38/x
  3. Step 3: Cross multiply
    6,129,283.77x = 8,458,468.84 × 3,375,981.38
  4. Step 4: Simplify right side
    6,129,283.77x = 28,555,633,332,516.35
  5. Step 5: Solve for x
    x = 28,555,633,332,516.35/6,129,283.77
  6. Step 6: Final answer
    x = 4,658,885.83

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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.