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Finding the Fourth Proportional to 5,800.80, 8,702.60 and 1,696.80

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Solution

The fourth proportional to 5,800.80, 8,702.60 and 1,696.80 is: 2,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.80 : 8,702.60 = 1,696.80 : x
  2. Step 2: Convert to fraction form
    5,800.80/8,702.60 = 1,696.80/x
  3. Step 3: Cross multiply
    5,800.80x = 8,702.60 × 1,696.80
  4. Step 4: Simplify right side
    5,800.80x = 14,766,571.68
  5. Step 5: Solve for x
    x = 14,766,571.68/5,800.80
  6. Step 6: Final answer
    x = 2,545.61

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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.