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Finding the Fourth Proportional to 5,751.52, 8,621.47 and 2,239.33

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Solution

The fourth proportional to 5,751.52, 8,621.47 and 2,239.33 is: 3,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.52 : 8,621.47 = 2,239.33 : x
  2. Step 2: Convert to fraction form
    5,751.52/8,621.47 = 2,239.33/x
  3. Step 3: Cross multiply
    5,751.52x = 8,621.47 × 2,239.33
  4. Step 4: Simplify right side
    5,751.52x = 19,306,316.42
  5. Step 5: Solve for x
    x = 19,306,316.42/5,751.52
  6. Step 6: Final answer
    x = 3,356.73

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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.