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Finding the Fourth Proportional to 18,006.56, 26,998.14 and 7,473.68

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Solution

The fourth proportional to 18,006.56, 26,998.14 and 7,473.68 is: 11,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006.56 : 26,998.14 = 7,473.68 : x
  2. Step 2: Convert to fraction form
    18,006.56/26,998.14 = 7,473.68/x
  3. Step 3: Cross multiply
    18,006.56x = 26,998.14 × 7,473.68
  4. Step 4: Simplify right side
    18,006.56x = 201,775,458.96
  5. Step 5: Solve for x
    x = 201,775,458.96/18,006.56
  6. Step 6: Final answer
    x = 11,205.66

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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.