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Finding the Fourth Proportional to 6,395,497.59, 8,826,686.77 and 4,071,647.73

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Solution

The fourth proportional to 6,395,497.59, 8,826,686.77 and 4,071,647.73 is: 5,619,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395,497.59 : 8,826,686.77 = 4,071,647.73 : x
  2. Step 2: Convert to fraction form
    6,395,497.59/8,826,686.77 = 4,071,647.73/x
  3. Step 3: Cross multiply
    6,395,497.59x = 8,826,686.77 × 4,071,647.73
  4. Step 4: Simplify right side
    6,395,497.59x = 35,939,159,150,491.53
  5. Step 5: Solve for x
    x = 35,939,159,150,491.53/6,395,497.59
  6. Step 6: Final answer
    x = 5,619,446.91

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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.