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Finding the Fourth Proportional to 4,693.92, 7,026.82 and 2,839.42

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Solution

The fourth proportional to 4,693.92, 7,026.82 and 2,839.42 is: 4,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,693.92 : 7,026.82 = 2,839.42 : x
  2. Step 2: Convert to fraction form
    4,693.92/7,026.82 = 2,839.42/x
  3. Step 3: Cross multiply
    4,693.92x = 7,026.82 × 2,839.42
  4. Step 4: Simplify right side
    4,693.92x = 19,952,093.24
  5. Step 5: Solve for x
    x = 19,952,093.24/4,693.92
  6. Step 6: Final answer
    x = 4,250.62

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1.5x scale

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.