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Finding the Fourth Proportional to 5,878.37, 8,814.95 and 2,755.86

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Solution

The fourth proportional to 5,878.37, 8,814.95 and 2,755.86 is: 4,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.37 : 8,814.95 = 2,755.86 : x
  2. Step 2: Convert to fraction form
    5,878.37/8,814.95 = 2,755.86/x
  3. Step 3: Cross multiply
    5,878.37x = 8,814.95 × 2,755.86
  4. Step 4: Simplify right side
    5,878.37x = 24,292,724.03
  5. Step 5: Solve for x
    x = 24,292,724.03/5,878.37
  6. Step 6: Final answer
    x = 4,132.56

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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.