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Finding the Fourth Proportional to 5,008.91, 6,906.02 and 3,213.23

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Solution

The fourth proportional to 5,008.91, 6,906.02 and 3,213.23 is: 4,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.91 : 6,906.02 = 3,213.23 : x
  2. Step 2: Convert to fraction form
    5,008.91/6,906.02 = 3,213.23/x
  3. Step 3: Cross multiply
    5,008.91x = 6,906.02 × 3,213.23
  4. Step 4: Simplify right side
    5,008.91x = 22,190,580.05
  5. Step 5: Solve for x
    x = 22,190,580.05/5,008.91
  6. Step 6: Final answer
    x = 4,430.22

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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.