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Finding the Fourth Proportional to 5,879.28, 8,811.97 and 2,585.48

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Solution

The fourth proportional to 5,879.28, 8,811.97 and 2,585.48 is: 3,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.28 : 8,811.97 = 2,585.48 : x
  2. Step 2: Convert to fraction form
    5,879.28/8,811.97 = 2,585.48/x
  3. Step 3: Cross multiply
    5,879.28x = 8,811.97 × 2,585.48
  4. Step 4: Simplify right side
    5,879.28x = 22,783,187.76
  5. Step 5: Solve for x
    x = 22,783,187.76/5,879.28
  6. Step 6: Final answer
    x = 3,875.17

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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.