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Finding the Fourth Proportional to 18,304.43, 27,460.92 and 7,061.43

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Solution

The fourth proportional to 18,304.43, 27,460.92 and 7,061.43 is: 10,593.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.43 : 27,460.92 = 7,061.43 : x
  2. Step 2: Convert to fraction form
    18,304.43/27,460.92 = 7,061.43/x
  3. Step 3: Cross multiply
    18,304.43x = 27,460.92 × 7,061.43
  4. Step 4: Simplify right side
    18,304.43x = 193,913,339.31
  5. Step 5: Solve for x
    x = 193,913,339.31/18,304.43
  6. Step 6: Final answer
    x = 10,593.79

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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.