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Finding the Fourth Proportional to 5,717.99, 8,579.11 and 2,433.64

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Solution

The fourth proportional to 5,717.99, 8,579.11 and 2,433.64 is: 3,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.99 : 8,579.11 = 2,433.64 : x
  2. Step 2: Convert to fraction form
    5,717.99/8,579.11 = 2,433.64/x
  3. Step 3: Cross multiply
    5,717.99x = 8,579.11 × 2,433.64
  4. Step 4: Simplify right side
    5,717.99x = 20,878,465.26
  5. Step 5: Solve for x
    x = 20,878,465.26/5,717.99
  6. Step 6: Final answer
    x = 3,651.36

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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.