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Finding the Fourth Proportional to 4,894.05, 7,341.99 and 1,608.09

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Solution

The fourth proportional to 4,894.05, 7,341.99 and 1,608.09 is: 2,412.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.05 : 7,341.99 = 1,608.09 : x
  2. Step 2: Convert to fraction form
    4,894.05/7,341.99 = 1,608.09/x
  3. Step 3: Cross multiply
    4,894.05x = 7,341.99 × 1,608.09
  4. Step 4: Simplify right side
    4,894.05x = 11,806,580.70
  5. Step 5: Solve for x
    x = 11,806,580.70/4,894.05
  6. Step 6: Final answer
    x = 2,412.44

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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.