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Finding the Fourth Proportional to 23,809.28, 35,719.87 and 7,168.94

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Solution

The fourth proportional to 23,809.28, 35,719.87 and 7,168.94 is: 10,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,809.28 : 35,719.87 = 7,168.94 : x
  2. Step 2: Convert to fraction form
    23,809.28/35,719.87 = 7,168.94/x
  3. Step 3: Cross multiply
    23,809.28x = 35,719.87 × 7,168.94
  4. Step 4: Simplify right side
    23,809.28x = 256,073,604.84
  5. Step 5: Solve for x
    x = 256,073,604.84/23,809.28
  6. Step 6: Final answer
    x = 10,755.20

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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.