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Finding the Fourth Proportional to 18,541.24, 27,813.08 and 7,446.49

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Solution

The fourth proportional to 18,541.24, 27,813.08 and 7,446.49 is: 11,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.24 : 27,813.08 = 7,446.49 : x
  2. Step 2: Convert to fraction form
    18,541.24/27,813.08 = 7,446.49/x
  3. Step 3: Cross multiply
    18,541.24x = 27,813.08 × 7,446.49
  4. Step 4: Simplify right side
    18,541.24x = 207,109,822.09
  5. Step 5: Solve for x
    x = 207,109,822.09/18,541.24
  6. Step 6: Final answer
    x = 11,170.22

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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.