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Finding the Fourth Proportional to 5,193.44, 7,786.06 and 2,999.72

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Solution

The fourth proportional to 5,193.44, 7,786.06 and 2,999.72 is: 4,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.44 : 7,786.06 = 2,999.72 : x
  2. Step 2: Convert to fraction form
    5,193.44/7,786.06 = 2,999.72/x
  3. Step 3: Cross multiply
    5,193.44x = 7,786.06 × 2,999.72
  4. Step 4: Simplify right side
    5,193.44x = 23,355,999.90
  5. Step 5: Solve for x
    x = 23,355,999.90/5,193.44
  6. Step 6: Final answer
    x = 4,497.21

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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.