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Finding the Fourth Proportional to 6,014,145.78, 8,299,899.09 and 3,297,891.78

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Solution

The fourth proportional to 6,014,145.78, 8,299,899.09 and 3,297,891.78 is: 4,551,297.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,014,145.78 : 8,299,899.09 = 3,297,891.78 : x
  2. Step 2: Convert to fraction form
    6,014,145.78/8,299,899.09 = 3,297,891.78/x
  3. Step 3: Cross multiply
    6,014,145.78x = 8,299,899.09 × 3,297,891.78
  4. Step 4: Simplify right side
    6,014,145.78x = 27,372,168,983,740.48
  5. Step 5: Solve for x
    x = 27,372,168,983,740.48/6,014,145.78
  6. Step 6: Final answer
    x = 4,551,297.89

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Similar ratio
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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.