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Finding the Fourth Proportional to 5,379.66, 8,069.49 and 1,483.97

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Solution

The fourth proportional to 5,379.66, 8,069.49 and 1,483.97 is: 2,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.66 : 8,069.49 = 1,483.97 : x
  2. Step 2: Convert to fraction form
    5,379.66/8,069.49 = 1,483.97/x
  3. Step 3: Cross multiply
    5,379.66x = 8,069.49 × 1,483.97
  4. Step 4: Simplify right side
    5,379.66x = 11,974,840.73
  5. Step 5: Solve for x
    x = 11,974,840.73/5,379.66
  6. Step 6: Final answer
    x = 2,225.95

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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.