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Finding the Fourth Proportional to 1,923.22, 2,884.20 and 949.99

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Solution

The fourth proportional to 1,923.22, 2,884.20 and 949.99 is: 1,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.22 : 2,884.20 = 949.99 : x
  2. Step 2: Convert to fraction form
    1,923.22/2,884.20 = 949.99/x
  3. Step 3: Cross multiply
    1,923.22x = 2,884.20 × 949.99
  4. Step 4: Simplify right side
    1,923.22x = 2,739,961.16
  5. Step 5: Solve for x
    x = 2,739,961.16/1,923.22
  6. Step 6: Final answer
    x = 1,424.67

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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.