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Finding the Fourth Proportional to 5,326.42, 7,993.19 and 1,863.67

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Solution

The fourth proportional to 5,326.42, 7,993.19 and 1,863.67 is: 2,796.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.42 : 7,993.19 = 1,863.67 : x
  2. Step 2: Convert to fraction form
    5,326.42/7,993.19 = 1,863.67/x
  3. Step 3: Cross multiply
    5,326.42x = 7,993.19 × 1,863.67
  4. Step 4: Simplify right side
    5,326.42x = 14,896,668.41
  5. Step 5: Solve for x
    x = 14,896,668.41/5,326.42
  6. Step 6: Final answer
    x = 2,796.75

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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.