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Finding the Fourth Proportional to 5,516.88, 8,267.22 and 4,123.68

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Solution

The fourth proportional to 5,516.88, 8,267.22 and 4,123.68 is: 6,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.88 : 8,267.22 = 4,123.68 : x
  2. Step 2: Convert to fraction form
    5,516.88/8,267.22 = 4,123.68/x
  3. Step 3: Cross multiply
    5,516.88x = 8,267.22 × 4,123.68
  4. Step 4: Simplify right side
    5,516.88x = 34,091,369.77
  5. Step 5: Solve for x
    x = 34,091,369.77/5,516.88
  6. Step 6: Final answer
    x = 6,179.47

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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.