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Finding the Fourth Proportional to 18,348.62, 27,507.38 and 7,263.14

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Solution

The fourth proportional to 18,348.62, 27,507.38 and 7,263.14 is: 10,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.62 : 27,507.38 = 7,263.14 : x
  2. Step 2: Convert to fraction form
    18,348.62/27,507.38 = 7,263.14/x
  3. Step 3: Cross multiply
    18,348.62x = 27,507.38 × 7,263.14
  4. Step 4: Simplify right side
    18,348.62x = 199,789,951.97
  5. Step 5: Solve for x
    x = 199,789,951.97/18,348.62
  6. Step 6: Final answer
    x = 10,888.55

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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.