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Finding the Fourth Proportional to 6,993.06, 10,485.90 and 2,608.08

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Solution

The fourth proportional to 6,993.06, 10,485.90 and 2,608.08 is: 3,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,993.06 : 10,485.90 = 2,608.08 : x
  2. Step 2: Convert to fraction form
    6,993.06/10,485.90 = 2,608.08/x
  3. Step 3: Cross multiply
    6,993.06x = 10,485.90 × 2,608.08
  4. Step 4: Simplify right side
    6,993.06x = 27,348,066.07
  5. Step 5: Solve for x
    x = 27,348,066.07/6,993.06
  6. Step 6: Final answer
    x = 3,910.74

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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.