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Finding the Fourth Proportional to 6,993.66, 10,490.51 and 2,611.05

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Solution

The fourth proportional to 6,993.66, 10,490.51 and 2,611.05 is: 3,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,993.66 : 10,490.51 = 2,611.05 : x
  2. Step 2: Convert to fraction form
    6,993.66/10,490.51 = 2,611.05/x
  3. Step 3: Cross multiply
    6,993.66x = 10,490.51 × 2,611.05
  4. Step 4: Simplify right side
    6,993.66x = 27,391,246.14
  5. Step 5: Solve for x
    x = 27,391,246.14/6,993.66
  6. Step 6: Final answer
    x = 3,916.58

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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.