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Finding the Fourth Proportional to 17,863.76, 24,628.60 and 15,372.60

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Solution

The fourth proportional to 17,863.76, 24,628.60 and 15,372.60 is: 21,194.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.76 : 24,628.60 = 15,372.60 : x
  2. Step 2: Convert to fraction form
    17,863.76/24,628.60 = 15,372.60/x
  3. Step 3: Cross multiply
    17,863.76x = 24,628.60 × 15,372.60
  4. Step 4: Simplify right side
    17,863.76x = 378,605,616.36
  5. Step 5: Solve for x
    x = 378,605,616.36/17,863.76
  6. Step 6: Final answer
    x = 21,194.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.