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Finding the Fourth Proportional to 5,984.55, 8,980.94 and 2,289.87

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Solution

The fourth proportional to 5,984.55, 8,980.94 and 2,289.87 is: 3,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,984.55 : 8,980.94 = 2,289.87 : x
  2. Step 2: Convert to fraction form
    5,984.55/8,980.94 = 2,289.87/x
  3. Step 3: Cross multiply
    5,984.55x = 8,980.94 × 2,289.87
  4. Step 4: Simplify right side
    5,984.55x = 20,565,190.80
  5. Step 5: Solve for x
    x = 20,565,190.80/5,984.55
  6. Step 6: Final answer
    x = 3,436.38

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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.