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Finding the Fourth Proportional to 4,614.98, 6,919.11 and 1,840.82

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Solution

The fourth proportional to 4,614.98, 6,919.11 and 1,840.82 is: 2,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.98 : 6,919.11 = 1,840.82 : x
  2. Step 2: Convert to fraction form
    4,614.98/6,919.11 = 1,840.82/x
  3. Step 3: Cross multiply
    4,614.98x = 6,919.11 × 1,840.82
  4. Step 4: Simplify right side
    4,614.98x = 12,736,836.07
  5. Step 5: Solve for x
    x = 12,736,836.07/4,614.98
  6. Step 6: Final answer
    x = 2,759.89

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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.