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Finding the Fourth Proportional to 69,819.03, 96,352.11 and 37,989.90

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Solution

The fourth proportional to 69,819.03, 96,352.11 and 37,989.90 is: 52,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,819.03 : 96,352.11 = 37,989.90 : x
  2. Step 2: Convert to fraction form
    69,819.03/96,352.11 = 37,989.90/x
  3. Step 3: Cross multiply
    69,819.03x = 96,352.11 × 37,989.90
  4. Step 4: Simplify right side
    69,819.03x = 3,660,407,023.69
  5. Step 5: Solve for x
    x = 3,660,407,023.69/69,819.03
  6. Step 6: Final answer
    x = 52,427.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.