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Finding the Fourth Proportional to 5,918.67, 8,873.60 and 2,796.90

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Solution

The fourth proportional to 5,918.67, 8,873.60 and 2,796.90 is: 4,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.67 : 8,873.60 = 2,796.90 : x
  2. Step 2: Convert to fraction form
    5,918.67/8,873.60 = 2,796.90/x
  3. Step 3: Cross multiply
    5,918.67x = 8,873.60 × 2,796.90
  4. Step 4: Simplify right side
    5,918.67x = 24,818,571.84
  5. Step 5: Solve for x
    x = 24,818,571.84/5,918.67
  6. Step 6: Final answer
    x = 4,193.27

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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.