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Finding the Fourth Proportional to 3,568.77, 5,321.03 and 3,446.51

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Solution

The fourth proportional to 3,568.77, 5,321.03 and 3,446.51 is: 5,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.77 : 5,321.03 = 3,446.51 : x
  2. Step 2: Convert to fraction form
    3,568.77/5,321.03 = 3,446.51/x
  3. Step 3: Cross multiply
    3,568.77x = 5,321.03 × 3,446.51
  4. Step 4: Simplify right side
    3,568.77x = 18,338,939.27
  5. Step 5: Solve for x
    x = 18,338,939.27/3,568.77
  6. Step 6: Final answer
    x = 5,138.73

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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.