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Finding the Fourth Proportional to 6,099.99, 8,421.87 and 4,983.60

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Solution

The fourth proportional to 6,099.99, 8,421.87 and 4,983.60 is: 6,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,099.99 : 8,421.87 = 4,983.60 : x
  2. Step 2: Convert to fraction form
    6,099.99/8,421.87 = 4,983.60/x
  3. Step 3: Cross multiply
    6,099.99x = 8,421.87 × 4,983.60
  4. Step 4: Simplify right side
    6,099.99x = 41,971,231.33
  5. Step 5: Solve for x
    x = 41,971,231.33/6,099.99
  6. Step 6: Final answer
    x = 6,880.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.