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Finding the Fourth Proportional to 5,991.68, 8,975.60 and 3,648.80

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Solution

The fourth proportional to 5,991.68, 8,975.60 and 3,648.80 is: 5,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991.68 : 8,975.60 = 3,648.80 : x
  2. Step 2: Convert to fraction form
    5,991.68/8,975.60 = 3,648.80/x
  3. Step 3: Cross multiply
    5,991.68x = 8,975.60 × 3,648.80
  4. Step 4: Simplify right side
    5,991.68x = 32,750,169.28
  5. Step 5: Solve for x
    x = 32,750,169.28/5,991.68
  6. Step 6: Final answer
    x = 5,465.94

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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.