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Finding the Fourth Proportional to 5,982.20, 8,970.60 and 2,693.60

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Solution

The fourth proportional to 5,982.20, 8,970.60 and 2,693.60 is: 4,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.20 : 8,970.60 = 2,693.60 : x
  2. Step 2: Convert to fraction form
    5,982.20/8,970.60 = 2,693.60/x
  3. Step 3: Cross multiply
    5,982.20x = 8,970.60 × 2,693.60
  4. Step 4: Simplify right side
    5,982.20x = 24,163,208.16
  5. Step 5: Solve for x
    x = 24,163,208.16/5,982.20
  6. Step 6: Final answer
    x = 4,039.18

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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.