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Finding the Fourth Proportional to 18,301.05, 27,443.52 and 7,049.52

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Solution

The fourth proportional to 18,301.05, 27,443.52 and 7,049.52 is: 10,571.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.05 : 27,443.52 = 7,049.52 : x
  2. Step 2: Convert to fraction form
    18,301.05/27,443.52 = 7,049.52/x
  3. Step 3: Cross multiply
    18,301.05x = 27,443.52 × 7,049.52
  4. Step 4: Simplify right side
    18,301.05x = 193,463,643.11
  5. Step 5: Solve for x
    x = 193,463,643.11/18,301.05
  6. Step 6: Final answer
    x = 10,571.18

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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.