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Finding the Fourth Proportional to 6,387,702.62, 9,583,064.19 and 2,069,745.71

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Solution

The fourth proportional to 6,387,702.62, 9,583,064.19 and 2,069,745.71 is: 3,105,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,702.62 : 9,583,064.19 = 2,069,745.71 : x
  2. Step 2: Convert to fraction form
    6,387,702.62/9,583,064.19 = 2,069,745.71/x
  3. Step 3: Cross multiply
    6,387,702.62x = 9,583,064.19 × 2,069,745.71
  4. Step 4: Simplify right side
    6,387,702.62x = 19,834,505,947,991.80
  5. Step 5: Solve for x
    x = 19,834,505,947,991.80/6,387,702.62
  6. Step 6: Final answer
    x = 3,105,107.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.