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Finding the Fourth Proportional to 5,879.50, 8,816.64 and 2,756.98

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Solution

The fourth proportional to 5,879.50, 8,816.64 and 2,756.98 is: 4,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.50 : 8,816.64 = 2,756.98 : x
  2. Step 2: Convert to fraction form
    5,879.50/8,816.64 = 2,756.98/x
  3. Step 3: Cross multiply
    5,879.50x = 8,816.64 × 2,756.98
  4. Step 4: Simplify right side
    5,879.50x = 24,307,300.15
  5. Step 5: Solve for x
    x = 24,307,300.15/5,879.50
  6. Step 6: Final answer
    x = 4,134.25

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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.