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Finding the Fourth Proportional to 5,673.53, 8,512.88 and 2,551.83

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Solution

The fourth proportional to 5,673.53, 8,512.88 and 2,551.83 is: 3,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.53 : 8,512.88 = 2,551.83 : x
  2. Step 2: Convert to fraction form
    5,673.53/8,512.88 = 2,551.83/x
  3. Step 3: Cross multiply
    5,673.53x = 8,512.88 × 2,551.83
  4. Step 4: Simplify right side
    5,673.53x = 21,723,422.57
  5. Step 5: Solve for x
    x = 21,723,422.57/5,673.53
  6. Step 6: Final answer
    x = 3,828.91

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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.