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Finding the Fourth Proportional to 3,605.22, 5,375.61 and 3,600.36

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Solution

The fourth proportional to 3,605.22, 5,375.61 and 3,600.36 is: 5,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.22 : 5,375.61 = 3,600.36 : x
  2. Step 2: Convert to fraction form
    3,605.22/5,375.61 = 3,600.36/x
  3. Step 3: Cross multiply
    3,605.22x = 5,375.61 × 3,600.36
  4. Step 4: Simplify right side
    3,605.22x = 19,354,131.22
  5. Step 5: Solve for x
    x = 19,354,131.22/3,605.22
  6. Step 6: Final answer
    x = 5,368.36

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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.