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Finding the Fourth Proportional to 5,879.94, 8,818.29 and 4,222.68

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Solution

The fourth proportional to 5,879.94, 8,818.29 and 4,222.68 is: 6,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.94 : 8,818.29 = 4,222.68 : x
  2. Step 2: Convert to fraction form
    5,879.94/8,818.29 = 4,222.68/x
  3. Step 3: Cross multiply
    5,879.94x = 8,818.29 × 4,222.68
  4. Step 4: Simplify right side
    5,879.94x = 37,236,816.82
  5. Step 5: Solve for x
    x = 37,236,816.82/5,879.94
  6. Step 6: Final answer
    x = 6,332.86

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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.