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Finding the Fourth Proportional to 5,652.94, 8,480.32 and 2,731.46

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Solution

The fourth proportional to 5,652.94, 8,480.32 and 2,731.46 is: 4,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.94 : 8,480.32 = 2,731.46 : x
  2. Step 2: Convert to fraction form
    5,652.94/8,480.32 = 2,731.46/x
  3. Step 3: Cross multiply
    5,652.94x = 8,480.32 × 2,731.46
  4. Step 4: Simplify right side
    5,652.94x = 23,163,654.87
  5. Step 5: Solve for x
    x = 23,163,654.87/5,652.94
  6. Step 6: Final answer
    x = 4,097.63

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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.