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Finding the Fourth Proportional to 5,868.86, 8,099.03 and 3,216.21

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Solution

The fourth proportional to 5,868.86, 8,099.03 and 3,216.21 is: 4,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.86 : 8,099.03 = 3,216.21 : x
  2. Step 2: Convert to fraction form
    5,868.86/8,099.03 = 3,216.21/x
  3. Step 3: Cross multiply
    5,868.86x = 8,099.03 × 3,216.21
  4. Step 4: Simplify right side
    5,868.86x = 26,048,181.28
  5. Step 5: Solve for x
    x = 26,048,181.28/5,868.86
  6. Step 6: Final answer
    x = 4,438.37

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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.