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Finding the Fourth Proportional to 3,636.87, 5,448.69 and 3,501.87

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Solution

The fourth proportional to 3,636.87, 5,448.69 and 3,501.87 is: 5,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.87 : 5,448.69 = 3,501.87 : x
  2. Step 2: Convert to fraction form
    3,636.87/5,448.69 = 3,501.87/x
  3. Step 3: Cross multiply
    3,636.87x = 5,448.69 × 3,501.87
  4. Step 4: Simplify right side
    3,636.87x = 19,080,604.05
  5. Step 5: Solve for x
    x = 19,080,604.05/3,636.87
  6. Step 6: Final answer
    x = 5,246.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.