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Finding the Fourth Proportional to 5,333.44, 7,999.86 and 1,635.67

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Solution

The fourth proportional to 5,333.44, 7,999.86 and 1,635.67 is: 2,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.44 : 7,999.86 = 1,635.67 : x
  2. Step 2: Convert to fraction form
    5,333.44/7,999.86 = 1,635.67/x
  3. Step 3: Cross multiply
    5,333.44x = 7,999.86 × 1,635.67
  4. Step 4: Simplify right side
    5,333.44x = 13,085,091.01
  5. Step 5: Solve for x
    x = 13,085,091.01/5,333.44
  6. Step 6: Final answer
    x = 2,453.41

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1.5x scale

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.