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Finding the Fourth Proportional to 4,993.84, 7,484.46 and 2,529.28

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Solution

The fourth proportional to 4,993.84, 7,484.46 and 2,529.28 is: 3,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.84 : 7,484.46 = 2,529.28 : x
  2. Step 2: Convert to fraction form
    4,993.84/7,484.46 = 2,529.28/x
  3. Step 3: Cross multiply
    4,993.84x = 7,484.46 × 2,529.28
  4. Step 4: Simplify right side
    4,993.84x = 18,930,294.99
  5. Step 5: Solve for x
    x = 18,930,294.99/4,993.84
  6. Step 6: Final answer
    x = 3,790.73

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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.