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Finding the Fourth Proportional to 5,879.88, 8,114.67 and 4,467.47

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Solution

The fourth proportional to 5,879.88, 8,114.67 and 4,467.47 is: 6,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.88 : 8,114.67 = 4,467.47 : x
  2. Step 2: Convert to fraction form
    5,879.88/8,114.67 = 4,467.47/x
  3. Step 3: Cross multiply
    5,879.88x = 8,114.67 × 4,467.47
  4. Step 4: Simplify right side
    5,879.88x = 36,252,004.21
  5. Step 5: Solve for x
    x = 36,252,004.21/5,879.88
  6. Step 6: Final answer
    x = 6,165.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.