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Finding the Fourth Proportional to 5,671.34, 8,508.73 and 2,899.96

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Solution

The fourth proportional to 5,671.34, 8,508.73 and 2,899.96 is: 4,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.34 : 8,508.73 = 2,899.96 : x
  2. Step 2: Convert to fraction form
    5,671.34/8,508.73 = 2,899.96/x
  3. Step 3: Cross multiply
    5,671.34x = 8,508.73 × 2,899.96
  4. Step 4: Simplify right side
    5,671.34x = 24,674,934.11
  5. Step 5: Solve for x
    x = 24,674,934.11/5,671.34
  6. Step 6: Final answer
    x = 4,350.82

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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.