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Finding the Fourth Proportional to 5,070.87, 7,608.06 and 3,621.33

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Solution

The fourth proportional to 5,070.87, 7,608.06 and 3,621.33 is: 5,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.87 : 7,608.06 = 3,621.33 : x
  2. Step 2: Convert to fraction form
    5,070.87/7,608.06 = 3,621.33/x
  3. Step 3: Cross multiply
    5,070.87x = 7,608.06 × 3,621.33
  4. Step 4: Simplify right side
    5,070.87x = 27,551,295.92
  5. Step 5: Solve for x
    x = 27,551,295.92/5,070.87
  6. Step 6: Final answer
    x = 5,433.25

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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.