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Finding the Fourth Proportional to 5,754.91, 8,643.30 and 3,578.84

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Solution

The fourth proportional to 5,754.91, 8,643.30 and 3,578.84 is: 5,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.91 : 8,643.30 = 3,578.84 : x
  2. Step 2: Convert to fraction form
    5,754.91/8,643.30 = 3,578.84/x
  3. Step 3: Cross multiply
    5,754.91x = 8,643.30 × 3,578.84
  4. Step 4: Simplify right side
    5,754.91x = 30,932,987.77
  5. Step 5: Solve for x
    x = 30,932,987.77/5,754.91
  6. Step 6: Final answer
    x = 5,375.06

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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.