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Finding the Fourth Proportional to 6,454,736.88, 8,907,732.86 and 3,554,231.54

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Solution

The fourth proportional to 6,454,736.88, 8,907,732.86 and 3,554,231.54 is: 4,904,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454,736.88 : 8,907,732.86 = 3,554,231.54 : x
  2. Step 2: Convert to fraction form
    6,454,736.88/8,907,732.86 = 3,554,231.54/x
  3. Step 3: Cross multiply
    6,454,736.88x = 8,907,732.86 × 3,554,231.54
  4. Step 4: Simplify right side
    6,454,736.88x = 31,660,145,112,061.32
  5. Step 5: Solve for x
    x = 31,660,145,112,061.32/6,454,736.88
  6. Step 6: Final answer
    x = 4,904,947.44

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1.5x scale

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.