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Finding the Fourth Proportional to 4,984.62, 7,479.09 and 2,673.42

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Solution

The fourth proportional to 4,984.62, 7,479.09 and 2,673.42 is: 4,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.62 : 7,479.09 = 2,673.42 : x
  2. Step 2: Convert to fraction form
    4,984.62/7,479.09 = 2,673.42/x
  3. Step 3: Cross multiply
    4,984.62x = 7,479.09 × 2,673.42
  4. Step 4: Simplify right side
    4,984.62x = 19,994,748.79
  5. Step 5: Solve for x
    x = 19,994,748.79/4,984.62
  6. Step 6: Final answer
    x = 4,011.29

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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.