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Finding the Fourth Proportional to 5,747.43, 8,620.92 and 1,643.43

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Solution

The fourth proportional to 5,747.43, 8,620.92 and 1,643.43 is: 2,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.43 : 8,620.92 = 1,643.43 : x
  2. Step 2: Convert to fraction form
    5,747.43/8,620.92 = 1,643.43/x
  3. Step 3: Cross multiply
    5,747.43x = 8,620.92 × 1,643.43
  4. Step 4: Simplify right side
    5,747.43x = 14,167,878.56
  5. Step 5: Solve for x
    x = 14,167,878.56/5,747.43
  6. Step 6: Final answer
    x = 2,465.08

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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.