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Finding the Fourth Proportional to 18,062.29, 27,093.44 and 7,666.75

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Solution

The fourth proportional to 18,062.29, 27,093.44 and 7,666.75 is: 11,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.29 : 27,093.44 = 7,666.75 : x
  2. Step 2: Convert to fraction form
    18,062.29/27,093.44 = 7,666.75/x
  3. Step 3: Cross multiply
    18,062.29x = 27,093.44 × 7,666.75
  4. Step 4: Simplify right side
    18,062.29x = 207,718,631.12
  5. Step 5: Solve for x
    x = 207,718,631.12/18,062.29
  6. Step 6: Final answer
    x = 11,500.13

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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.