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Finding the Fourth Proportional to 57,328.29, 85,926.83 and 22,237.88

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Solution

The fourth proportional to 57,328.29, 85,926.83 and 22,237.88 is: 33,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328.29 : 85,926.83 = 22,237.88 : x
  2. Step 2: Convert to fraction form
    57,328.29/85,926.83 = 22,237.88/x
  3. Step 3: Cross multiply
    57,328.29x = 85,926.83 × 22,237.88
  4. Step 4: Simplify right side
    57,328.29x = 1,910,829,993.50
  5. Step 5: Solve for x
    x = 1,910,829,993.50/57,328.29
  6. Step 6: Final answer
    x = 33,331.36

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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.