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Finding the Fourth Proportional to 2,614.74, 3,604.19 and 1,983.24

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Solution

The fourth proportional to 2,614.74, 3,604.19 and 1,983.24 is: 2,733.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.74 : 3,604.19 = 1,983.24 : x
  2. Step 2: Convert to fraction form
    2,614.74/3,604.19 = 1,983.24/x
  3. Step 3: Cross multiply
    2,614.74x = 3,604.19 × 1,983.24
  4. Step 4: Simplify right side
    2,614.74x = 7,147,963.86
  5. Step 5: Solve for x
    x = 7,147,963.86/2,614.74
  6. Step 6: Final answer
    x = 2,733.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.