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Finding the Fourth Proportional to 2,832.62, 4,220.21 and 2,693.21

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Solution

The fourth proportional to 2,832.62, 4,220.21 and 2,693.21 is: 4,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.62 : 4,220.21 = 2,693.21 : x
  2. Step 2: Convert to fraction form
    2,832.62/4,220.21 = 2,693.21/x
  3. Step 3: Cross multiply
    2,832.62x = 4,220.21 × 2,693.21
  4. Step 4: Simplify right side
    2,832.62x = 11,365,911.77
  5. Step 5: Solve for x
    x = 11,365,911.77/2,832.62
  6. Step 6: Final answer
    x = 4,012.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.