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Finding the Fourth Proportional to 5,716.86, 8,575.28 and 3,754.88

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Solution

The fourth proportional to 5,716.86, 8,575.28 and 3,754.88 is: 5,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.86 : 8,575.28 = 3,754.88 : x
  2. Step 2: Convert to fraction form
    5,716.86/8,575.28 = 3,754.88/x
  3. Step 3: Cross multiply
    5,716.86x = 8,575.28 × 3,754.88
  4. Step 4: Simplify right side
    5,716.86x = 32,199,201.31
  5. Step 5: Solve for x
    x = 32,199,201.31/5,716.86
  6. Step 6: Final answer
    x = 5,632.33

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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.