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Finding the Fourth Proportional to 4,859.88, 7,283.30 and 2,227.64

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Solution

The fourth proportional to 4,859.88, 7,283.30 and 2,227.64 is: 3,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.88 : 7,283.30 = 2,227.64 : x
  2. Step 2: Convert to fraction form
    4,859.88/7,283.30 = 2,227.64/x
  3. Step 3: Cross multiply
    4,859.88x = 7,283.30 × 2,227.64
  4. Step 4: Simplify right side
    4,859.88x = 16,224,570.41
  5. Step 5: Solve for x
    x = 16,224,570.41/4,859.88
  6. Step 6: Final answer
    x = 3,338.47

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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.