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Finding the Fourth Proportional to 5,972.89, 8,959.34 and 2,077.30

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Solution

The fourth proportional to 5,972.89, 8,959.34 and 2,077.30 is: 3,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.89 : 8,959.34 = 2,077.30 : x
  2. Step 2: Convert to fraction form
    5,972.89/8,959.34 = 2,077.30/x
  3. Step 3: Cross multiply
    5,972.89x = 8,959.34 × 2,077.30
  4. Step 4: Simplify right side
    5,972.89x = 18,611,236.98
  5. Step 5: Solve for x
    x = 18,611,236.98/5,972.89
  6. Step 6: Final answer
    x = 3,115.95

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1.5x scale

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.