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Finding the Fourth Proportional to 3,669.60, 5,504.46 and 896.33

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Solution

The fourth proportional to 3,669.60, 5,504.46 and 896.33 is: 1,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.60 : 5,504.46 = 896.33 : x
  2. Step 2: Convert to fraction form
    3,669.60/5,504.46 = 896.33/x
  3. Step 3: Cross multiply
    3,669.60x = 5,504.46 × 896.33
  4. Step 4: Simplify right side
    3,669.60x = 4,933,812.63
  5. Step 5: Solve for x
    x = 4,933,812.63/3,669.60
  6. Step 6: Final answer
    x = 1,344.51

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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.