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Finding the Fourth Proportional to 6,627.22, 9,940.60 and 1,696.90

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Solution

The fourth proportional to 6,627.22, 9,940.60 and 1,696.90 is: 2,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.22 : 9,940.60 = 1,696.90 : x
  2. Step 2: Convert to fraction form
    6,627.22/9,940.60 = 1,696.90/x
  3. Step 3: Cross multiply
    6,627.22x = 9,940.60 × 1,696.90
  4. Step 4: Simplify right side
    6,627.22x = 16,868,195.28
  5. Step 5: Solve for x
    x = 16,868,195.28/6,627.22
  6. Step 6: Final answer
    x = 2,545.29

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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.