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Finding the Fourth Proportional to 3,600.11, 4,968.22 and 2,109.10

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Solution

The fourth proportional to 3,600.11, 4,968.22 and 2,109.10 is: 2,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.11 : 4,968.22 = 2,109.10 : x
  2. Step 2: Convert to fraction form
    3,600.11/4,968.22 = 2,109.10/x
  3. Step 3: Cross multiply
    3,600.11x = 4,968.22 × 2,109.10
  4. Step 4: Simplify right side
    3,600.11x = 10,478,447.96
  5. Step 5: Solve for x
    x = 10,478,447.96/3,600.11
  6. Step 6: Final answer
    x = 2,910.60

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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.