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Finding the Fourth Proportional to 6,612,759.73, 9,904,037.86 and 3,156,930.33

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Solution

The fourth proportional to 6,612,759.73, 9,904,037.86 and 3,156,930.33 is: 4,728,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612,759.73 : 9,904,037.86 = 3,156,930.33 : x
  2. Step 2: Convert to fraction form
    6,612,759.73/9,904,037.86 = 3,156,930.33/x
  3. Step 3: Cross multiply
    6,612,759.73x = 9,904,037.86 × 3,156,930.33
  4. Step 4: Simplify right side
    6,612,759.73x = 31,266,357,509,702.29
  5. Step 5: Solve for x
    x = 31,266,357,509,702.29/6,612,759.73
  6. Step 6: Final answer
    x = 4,728,185.93

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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.