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Finding the Fourth Proportional to 18,507.65, 27,763.78 and 6,028.93

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Solution

The fourth proportional to 18,507.65, 27,763.78 and 6,028.93 is: 9,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507.65 : 27,763.78 = 6,028.93 : x
  2. Step 2: Convert to fraction form
    18,507.65/27,763.78 = 6,028.93/x
  3. Step 3: Cross multiply
    18,507.65x = 27,763.78 × 6,028.93
  4. Step 4: Simplify right side
    18,507.65x = 167,385,856.01
  5. Step 5: Solve for x
    x = 167,385,856.01/18,507.65
  6. Step 6: Final answer
    x = 9,044.15

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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.