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Finding the Fourth Proportional to 57,903.17, 86,858.19 and 22,364.75

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Solution

The fourth proportional to 57,903.17, 86,858.19 and 22,364.75 is: 33,548.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,903.17 : 86,858.19 = 22,364.75 : x
  2. Step 2: Convert to fraction form
    57,903.17/86,858.19 = 22,364.75/x
  3. Step 3: Cross multiply
    57,903.17x = 86,858.19 × 22,364.75
  4. Step 4: Simplify right side
    57,903.17x = 1,942,561,921.95
  5. Step 5: Solve for x
    x = 1,942,561,921.95/57,903.17
  6. Step 6: Final answer
    x = 33,548.46

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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.