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Finding the Fourth Proportional to 57,998.28, 86,983.22 and 18,547.22

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Solution

The fourth proportional to 57,998.28, 86,983.22 and 18,547.22 is: 27,816.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,998.28 : 86,983.22 = 18,547.22 : x
  2. Step 2: Convert to fraction form
    57,998.28/86,983.22 = 18,547.22/x
  3. Step 3: Cross multiply
    57,998.28x = 86,983.22 × 18,547.22
  4. Step 4: Simplify right side
    57,998.28x = 1,613,296,917.65
  5. Step 5: Solve for x
    x = 1,613,296,917.65/57,998.28
  6. Step 6: Final answer
    x = 27,816.29

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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.