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Finding the Fourth Proportional to 23,694.75, 35,542.13 and 7,278.75

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Solution

The fourth proportional to 23,694.75, 35,542.13 and 7,278.75 is: 10,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,694.75 : 35,542.13 = 7,278.75 : x
  2. Step 2: Convert to fraction form
    23,694.75/35,542.13 = 7,278.75/x
  3. Step 3: Cross multiply
    23,694.75x = 35,542.13 × 7,278.75
  4. Step 4: Simplify right side
    23,694.75x = 258,702,242.34
  5. Step 5: Solve for x
    x = 258,702,242.34/23,694.75
  6. Step 6: Final answer
    x = 10,918.13

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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.