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Finding the Fourth Proportional to 6,403,894.27, 8,837,443.84 and 3,503,222.86

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Solution

The fourth proportional to 6,403,894.27, 8,837,443.84 and 3,503,222.86 is: 4,834,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403,894.27 : 8,837,443.84 = 3,503,222.86 : x
  2. Step 2: Convert to fraction form
    6,403,894.27/8,837,443.84 = 3,503,222.86/x
  3. Step 3: Cross multiply
    6,403,894.27x = 8,837,443.84 × 3,503,222.86
  4. Step 4: Simplify right side
    6,403,894.27x = 30,959,535,222,550.85
  5. Step 5: Solve for x
    x = 30,959,535,222,550.85/6,403,894.27
  6. Step 6: Final answer
    x = 4,834,485.70

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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.