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Finding the Fourth Proportional to 57,916.51, 86,874.83 and 22,855.25

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Solution

The fourth proportional to 57,916.51, 86,874.83 and 22,855.25 is: 34,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,916.51 : 86,874.83 = 22,855.25 : x
  2. Step 2: Convert to fraction form
    57,916.51/86,874.83 = 22,855.25/x
  3. Step 3: Cross multiply
    57,916.51x = 86,874.83 × 22,855.25
  4. Step 4: Simplify right side
    57,916.51x = 1,985,545,958.36
  5. Step 5: Solve for x
    x = 1,985,545,958.36/57,916.51
  6. Step 6: Final answer
    x = 34,282.90

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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.