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Finding the Fourth Proportional to 4,474.70, 6,711.84 and 1,553.23

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Solution

The fourth proportional to 4,474.70, 6,711.84 and 1,553.23 is: 2,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.70 : 6,711.84 = 1,553.23 : x
  2. Step 2: Convert to fraction form
    4,474.70/6,711.84 = 1,553.23/x
  3. Step 3: Cross multiply
    4,474.70x = 6,711.84 × 1,553.23
  4. Step 4: Simplify right side
    4,474.70x = 10,425,014.46
  5. Step 5: Solve for x
    x = 10,425,014.46/4,474.70
  6. Step 6: Final answer
    x = 2,329.77

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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.