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Finding the Fourth Proportional to 57,361.75, 86,042.44 and 15,246.07

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Solution

The fourth proportional to 57,361.75, 86,042.44 and 15,246.07 is: 22,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,361.75 : 86,042.44 = 15,246.07 : x
  2. Step 2: Convert to fraction form
    57,361.75/86,042.44 = 15,246.07/x
  3. Step 3: Cross multiply
    57,361.75x = 86,042.44 × 15,246.07
  4. Step 4: Simplify right side
    57,361.75x = 1,311,808,556.77
  5. Step 5: Solve for x
    x = 1,311,808,556.77/57,361.75
  6. Step 6: Final answer
    x = 22,869.05

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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.