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Finding the Fourth Proportional to 5,879.41, 8,812.16 and 2,585.61

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Solution

The fourth proportional to 5,879.41, 8,812.16 and 2,585.61 is: 3,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.41 : 8,812.16 = 2,585.61 : x
  2. Step 2: Convert to fraction form
    5,879.41/8,812.16 = 2,585.61/x
  3. Step 3: Cross multiply
    5,879.41x = 8,812.16 × 2,585.61
  4. Step 4: Simplify right side
    5,879.41x = 22,784,774.06
  5. Step 5: Solve for x
    x = 22,784,774.06/5,879.41
  6. Step 6: Final answer
    x = 3,875.35

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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.