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Finding the Fourth Proportional to 4,499.82, 6,749.70 and 3,728.70

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Solution

The fourth proportional to 4,499.82, 6,749.70 and 3,728.70 is: 5,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499.82 : 6,749.70 = 3,728.70 : x
  2. Step 2: Convert to fraction form
    4,499.82/6,749.70 = 3,728.70/x
  3. Step 3: Cross multiply
    4,499.82x = 6,749.70 × 3,728.70
  4. Step 4: Simplify right side
    4,499.82x = 25,167,606.39
  5. Step 5: Solve for x
    x = 25,167,606.39/4,499.82
  6. Step 6: Final answer
    x = 5,593.03

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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.