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Finding the Fourth Proportional to 18,407.82, 27,593.73 and 7,310.82

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Solution

The fourth proportional to 18,407.82, 27,593.73 and 7,310.82 is: 10,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.82 : 27,593.73 = 7,310.82 : x
  2. Step 2: Convert to fraction form
    18,407.82/27,593.73 = 7,310.82/x
  3. Step 3: Cross multiply
    18,407.82x = 27,593.73 × 7,310.82
  4. Step 4: Simplify right side
    18,407.82x = 201,732,793.16
  5. Step 5: Solve for x
    x = 201,732,793.16/18,407.82
  6. Step 6: Final answer
    x = 10,959.08

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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.