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Finding the Fourth Proportional to 5,614.99, 8,411.54 and 3,418.27

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Solution

The fourth proportional to 5,614.99, 8,411.54 and 3,418.27 is: 5,120.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.99 : 8,411.54 = 3,418.27 : x
  2. Step 2: Convert to fraction form
    5,614.99/8,411.54 = 3,418.27/x
  3. Step 3: Cross multiply
    5,614.99x = 8,411.54 × 3,418.27
  4. Step 4: Simplify right side
    5,614.99x = 28,752,876.72
  5. Step 5: Solve for x
    x = 28,752,876.72/5,614.99
  6. Step 6: Final answer
    x = 5,120.74

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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.