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Finding the Fourth Proportional to 5,887.89, 8,828.06 and 2,763.72

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Solution

The fourth proportional to 5,887.89, 8,828.06 and 2,763.72 is: 4,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.89 : 8,828.06 = 2,763.72 : x
  2. Step 2: Convert to fraction form
    5,887.89/8,828.06 = 2,763.72/x
  3. Step 3: Cross multiply
    5,887.89x = 8,828.06 × 2,763.72
  4. Step 4: Simplify right side
    5,887.89x = 24,398,272.16
  5. Step 5: Solve for x
    x = 24,398,272.16/5,887.89
  6. Step 6: Final answer
    x = 4,143.81

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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.