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Finding the Fourth Proportional to 6,520.84, 8,991.18 and 4,753.24

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Solution

The fourth proportional to 6,520.84, 8,991.18 and 4,753.24 is: 6,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.84 : 8,991.18 = 4,753.24 : x
  2. Step 2: Convert to fraction form
    6,520.84/8,991.18 = 4,753.24/x
  3. Step 3: Cross multiply
    6,520.84x = 8,991.18 × 4,753.24
  4. Step 4: Simplify right side
    6,520.84x = 42,737,236.42
  5. Step 5: Solve for x
    x = 42,737,236.42/6,520.84
  6. Step 6: Final answer
    x = 6,553.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.