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Finding the Fourth Proportional to 5,671.27, 8,508.64 and 2,899.89

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Solution

The fourth proportional to 5,671.27, 8,508.64 and 2,899.89 is: 4,350.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.27 : 8,508.64 = 2,899.89 : x
  2. Step 2: Convert to fraction form
    5,671.27/8,508.64 = 2,899.89/x
  3. Step 3: Cross multiply
    5,671.27x = 8,508.64 × 2,899.89
  4. Step 4: Simplify right side
    5,671.27x = 24,674,105.55
  5. Step 5: Solve for x
    x = 24,674,105.55/5,671.27
  6. Step 6: Final answer
    x = 4,350.72

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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.