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Finding the Fourth Proportional to 47,362.80, 71,101.80 and 35,583.60

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Solution

The fourth proportional to 47,362.80, 71,101.80 and 35,583.60 is: 53,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,362.80 : 71,101.80 = 35,583.60 : x
  2. Step 2: Convert to fraction form
    47,362.80/71,101.80 = 35,583.60/x
  3. Step 3: Cross multiply
    47,362.80x = 71,101.80 × 35,583.60
  4. Step 4: Simplify right side
    47,362.80x = 2,530,058,010.48
  5. Step 5: Solve for x
    x = 2,530,058,010.48/47,362.80
  6. Step 6: Final answer
    x = 53,418.67

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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.