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Finding the Fourth Proportional to 18,537.05, 27,809.89 and 6,057.65

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Solution

The fourth proportional to 18,537.05, 27,809.89 and 6,057.65 is: 9,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.05 : 27,809.89 = 6,057.65 : x
  2. Step 2: Convert to fraction form
    18,537.05/27,809.89 = 6,057.65/x
  3. Step 3: Cross multiply
    18,537.05x = 27,809.89 × 6,057.65
  4. Step 4: Simplify right side
    18,537.05x = 168,462,580.16
  5. Step 5: Solve for x
    x = 168,462,580.16/18,537.05
  6. Step 6: Final answer
    x = 9,087.89

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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.