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Finding the Fourth Proportional to 4,798.73, 6,608.45 and 4,121.09

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Solution

The fourth proportional to 4,798.73, 6,608.45 and 4,121.09 is: 5,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.73 : 6,608.45 = 4,121.09 : x
  2. Step 2: Convert to fraction form
    4,798.73/6,608.45 = 4,121.09/x
  3. Step 3: Cross multiply
    4,798.73x = 6,608.45 × 4,121.09
  4. Step 4: Simplify right side
    4,798.73x = 27,234,044.03
  5. Step 5: Solve for x
    x = 27,234,044.03/4,798.73
  6. Step 6: Final answer
    x = 5,675.27

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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.