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Finding the Fourth Proportional to 5,491,737.18, 7,579,436.13 and 3,505,730.72

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Solution

The fourth proportional to 5,491,737.18, 7,579,436.13 and 3,505,730.72 is: 4,838,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491,737.18 : 7,579,436.13 = 3,505,730.72 : x
  2. Step 2: Convert to fraction form
    5,491,737.18/7,579,436.13 = 3,505,730.72/x
  3. Step 3: Cross multiply
    5,491,737.18x = 7,579,436.13 × 3,505,730.72
  4. Step 4: Simplify right side
    5,491,737.18x = 26,571,462,043,321.73
  5. Step 5: Solve for x
    x = 26,571,462,043,321.73/5,491,737.18
  6. Step 6: Final answer
    x = 4,838,443.86

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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.