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Finding the Fourth Proportional to 59,982.40, 89,930.40 and 33,695.20

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Solution

The fourth proportional to 59,982.40, 89,930.40 and 33,695.20 is: 50,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,982.40 : 89,930.40 = 33,695.20 : x
  2. Step 2: Convert to fraction form
    59,982.40/89,930.40 = 33,695.20/x
  3. Step 3: Cross multiply
    59,982.40x = 89,930.40 × 33,695.20
  4. Step 4: Simplify right side
    59,982.40x = 3,030,222,814.08
  5. Step 5: Solve for x
    x = 3,030,222,814.08/59,982.40
  6. Step 6: Final answer
    x = 50,518.53

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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.