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Finding the Fourth Proportional to 5,879.69, 8,817.71 and 2,369.55

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Solution

The fourth proportional to 5,879.69, 8,817.71 and 2,369.55 is: 3,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.69 : 8,817.71 = 2,369.55 : x
  2. Step 2: Convert to fraction form
    5,879.69/8,817.71 = 2,369.55/x
  3. Step 3: Cross multiply
    5,879.69x = 8,817.71 × 2,369.55
  4. Step 4: Simplify right side
    5,879.69x = 20,894,039.28
  5. Step 5: Solve for x
    x = 20,894,039.28/5,879.69
  6. Step 6: Final answer
    x = 3,553.60

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1.5x scale

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.