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Finding the Fourth Proportional to 23,960.80, 35,936.56 and 7,316.80

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Solution

The fourth proportional to 23,960.80, 35,936.56 and 7,316.80 is: 10,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,960.80 : 35,936.56 = 7,316.80 : x
  2. Step 2: Convert to fraction form
    23,960.80/35,936.56 = 7,316.80/x
  3. Step 3: Cross multiply
    23,960.80x = 35,936.56 × 7,316.80
  4. Step 4: Simplify right side
    23,960.80x = 262,940,622.21
  5. Step 5: Solve for x
    x = 262,940,622.21/23,960.80
  6. Step 6: Final answer
    x = 10,973.78

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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.