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Finding the Fourth Proportional to 6,398,125.76, 8,829,393.24 and 3,497,517.44

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Solution

The fourth proportional to 6,398,125.76, 8,829,393.24 and 3,497,517.44 is: 4,826,562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398,125.76 : 8,829,393.24 = 3,497,517.44 : x
  2. Step 2: Convert to fraction form
    6,398,125.76/8,829,393.24 = 3,497,517.44/x
  3. Step 3: Cross multiply
    6,398,125.76x = 8,829,393.24 × 3,497,517.44
  4. Step 4: Simplify right side
    6,398,125.76x = 30,880,956,841,518.11
  5. Step 5: Solve for x
    x = 30,880,956,841,518.11/6,398,125.76
  6. Step 6: Final answer
    x = 4,826,562.97

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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.