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Finding the Fourth Proportional to 5,879.72, 8,814.15 and 2,545.88

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Solution

The fourth proportional to 5,879.72, 8,814.15 and 2,545.88 is: 3,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.72 : 8,814.15 = 2,545.88 : x
  2. Step 2: Convert to fraction form
    5,879.72/8,814.15 = 2,545.88/x
  3. Step 3: Cross multiply
    5,879.72x = 8,814.15 × 2,545.88
  4. Step 4: Simplify right side
    5,879.72x = 22,439,724.13
  5. Step 5: Solve for x
    x = 22,439,724.13/5,879.72
  6. Step 6: Final answer
    x = 3,816.46

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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.