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Finding the Fourth Proportional to 5,366.54, 8,049.82 and 4,321.64

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Solution

The fourth proportional to 5,366.54, 8,049.82 and 4,321.64 is: 6,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.54 : 8,049.82 = 4,321.64 : x
  2. Step 2: Convert to fraction form
    5,366.54/8,049.82 = 4,321.64/x
  3. Step 3: Cross multiply
    5,366.54x = 8,049.82 × 4,321.64
  4. Step 4: Simplify right side
    5,366.54x = 34,788,433.43
  5. Step 5: Solve for x
    x = 34,788,433.43/5,366.54
  6. Step 6: Final answer
    x = 6,482.47

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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.