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Finding the Fourth Proportional to 2,382.55, 3,573.42 and 650.77

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Solution

The fourth proportional to 2,382.55, 3,573.42 and 650.77 is: 976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.55 : 3,573.42 = 650.77 : x
  2. Step 2: Convert to fraction form
    2,382.55/3,573.42 = 650.77/x
  3. Step 3: Cross multiply
    2,382.55x = 3,573.42 × 650.77
  4. Step 4: Simplify right side
    2,382.55x = 2,325,474.53
  5. Step 5: Solve for x
    x = 2,325,474.53/2,382.55
  6. Step 6: Final answer
    x = 976.04

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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.