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Finding the Fourth Proportional to 5,879.96, 8,817.71 and 2,368.78

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Solution

The fourth proportional to 5,879.96, 8,817.71 and 2,368.78 is: 3,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.96 : 8,817.71 = 2,368.78 : x
  2. Step 2: Convert to fraction form
    5,879.96/8,817.71 = 2,368.78/x
  3. Step 3: Cross multiply
    5,879.96x = 8,817.71 × 2,368.78
  4. Step 4: Simplify right side
    5,879.96x = 20,887,171.01
  5. Step 5: Solve for x
    x = 20,887,171.01/5,879.96
  6. Step 6: Final answer
    x = 3,552.26

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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.