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Finding the Fourth Proportional to 5,651.09, 8,479.65 and 4,254.83

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Solution

The fourth proportional to 5,651.09, 8,479.65 and 4,254.83 is: 6,384.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.09 : 8,479.65 = 4,254.83 : x
  2. Step 2: Convert to fraction form
    5,651.09/8,479.65 = 4,254.83/x
  3. Step 3: Cross multiply
    5,651.09x = 8,479.65 × 4,254.83
  4. Step 4: Simplify right side
    5,651.09x = 36,079,469.21
  5. Step 5: Solve for x
    x = 36,079,469.21/5,651.09
  6. Step 6: Final answer
    x = 6,384.52

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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.