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Finding the Fourth Proportional to 8,755.85, 13,133.29 and 2,832.62

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Solution

The fourth proportional to 8,755.85, 13,133.29 and 2,832.62 is: 4,248.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.85 : 13,133.29 = 2,832.62 : x
  2. Step 2: Convert to fraction form
    8,755.85/13,133.29 = 2,832.62/x
  3. Step 3: Cross multiply
    8,755.85x = 13,133.29 × 2,832.62
  4. Step 4: Simplify right side
    8,755.85x = 37,201,619.92
  5. Step 5: Solve for x
    x = 37,201,619.92/8,755.85
  6. Step 6: Final answer
    x = 4,248.77

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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.