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Finding the Fourth Proportional to 4,571.87, 6,859.62 and 1,650.40

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Solution

The fourth proportional to 4,571.87, 6,859.62 and 1,650.40 is: 2,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.87 : 6,859.62 = 1,650.40 : x
  2. Step 2: Convert to fraction form
    4,571.87/6,859.62 = 1,650.40/x
  3. Step 3: Cross multiply
    4,571.87x = 6,859.62 × 1,650.40
  4. Step 4: Simplify right side
    4,571.87x = 11,321,099.70
  5. Step 5: Solve for x
    x = 11,321,099.70/4,571.87
  6. Step 6: Final answer
    x = 2,476.25

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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.