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Finding the Fourth Proportional to 3,572.82, 4,899.11 and 3,449.22

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Solution

The fourth proportional to 3,572.82, 4,899.11 and 3,449.22 is: 4,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.82 : 4,899.11 = 3,449.22 : x
  2. Step 2: Convert to fraction form
    3,572.82/4,899.11 = 3,449.22/x
  3. Step 3: Cross multiply
    3,572.82x = 4,899.11 × 3,449.22
  4. Step 4: Simplify right side
    3,572.82x = 16,898,090.95
  5. Step 5: Solve for x
    x = 16,898,090.95/3,572.82
  6. Step 6: Final answer
    x = 4,729.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.