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Finding the Fourth Proportional to 5,289.52, 7,923.96 and 2,512.24

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Solution

The fourth proportional to 5,289.52, 7,923.96 and 2,512.24 is: 3,763.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.52 : 7,923.96 = 2,512.24 : x
  2. Step 2: Convert to fraction form
    5,289.52/7,923.96 = 2,512.24/x
  3. Step 3: Cross multiply
    5,289.52x = 7,923.96 × 2,512.24
  4. Step 4: Simplify right side
    5,289.52x = 19,906,889.27
  5. Step 5: Solve for x
    x = 19,906,889.27/5,289.52
  6. Step 6: Final answer
    x = 3,763.46

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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.