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Finding the Fourth Proportional to 5,868.88, 8,099.07 and 3,216.46

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Solution

The fourth proportional to 5,868.88, 8,099.07 and 3,216.46 is: 4,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.88 : 8,099.07 = 3,216.46 : x
  2. Step 2: Convert to fraction form
    5,868.88/8,099.07 = 3,216.46/x
  3. Step 3: Cross multiply
    5,868.88x = 8,099.07 × 3,216.46
  4. Step 4: Simplify right side
    5,868.88x = 26,050,334.69
  5. Step 5: Solve for x
    x = 26,050,334.69/5,868.88
  6. Step 6: Final answer
    x = 4,438.72

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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.