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Finding the Fourth Proportional to 8,763.37, 13,143.97 and 3,569.29

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Solution

The fourth proportional to 8,763.37, 13,143.97 and 3,569.29 is: 5,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.37 : 13,143.97 = 3,569.29 : x
  2. Step 2: Convert to fraction form
    8,763.37/13,143.97 = 3,569.29/x
  3. Step 3: Cross multiply
    8,763.37x = 13,143.97 × 3,569.29
  4. Step 4: Simplify right side
    8,763.37x = 46,914,640.68
  5. Step 5: Solve for x
    x = 46,914,640.68/8,763.37
  6. Step 6: Final answer
    x = 5,353.49

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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.