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Finding the Fourth Proportional to 13,883, 20,824.52 and 5,675

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Solution

The fourth proportional to 13,883, 20,824.52 and 5,675 is: 8,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883 : 20,824.52 = 5,675 : x
  2. Step 2: Convert to fraction form
    13,883/20,824.52 = 5,675/x
  3. Step 3: Cross multiply
    13,883x = 20,824.52 × 5,675
  4. Step 4: Simplify right side
    13,883x = 118,179,151
  5. Step 5: Solve for x
    x = 118,179,151/13,883
  6. Step 6: Final answer
    x = 8,512.51

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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.