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Finding the Fourth Proportional to 65,390.73, 98,069.67 and 33,762.62

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Solution

The fourth proportional to 65,390.73, 98,069.67 and 33,762.62 is: 50,635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,390.73 : 98,069.67 = 33,762.62 : x
  2. Step 2: Convert to fraction form
    65,390.73/98,069.67 = 33,762.62/x
  3. Step 3: Cross multiply
    65,390.73x = 98,069.67 × 33,762.62
  4. Step 4: Simplify right side
    65,390.73x = 3,311,089,246.91
  5. Step 5: Solve for x
    x = 3,311,089,246.91/65,390.73
  6. Step 6: Final answer
    x = 50,635.46

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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.