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Finding the Fourth Proportional to 47,356.80, 71,092.80 and 35,577.60

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Solution

The fourth proportional to 47,356.80, 71,092.80 and 35,577.60 is: 53,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,356.80 : 71,092.80 = 35,577.60 : x
  2. Step 2: Convert to fraction form
    47,356.80/71,092.80 = 35,577.60/x
  3. Step 3: Cross multiply
    47,356.80x = 71,092.80 × 35,577.60
  4. Step 4: Simplify right side
    47,356.80x = 2,529,311,201.28
  5. Step 5: Solve for x
    x = 2,529,311,201.28/47,356.80
  6. Step 6: Final answer
    x = 53,409.67

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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.