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Finding the Fourth Proportional to 6,959.89, 9,604.62 and 3,816.07

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Solution

The fourth proportional to 6,959.89, 9,604.62 and 3,816.07 is: 5,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.89 : 9,604.62 = 3,816.07 : x
  2. Step 2: Convert to fraction form
    6,959.89/9,604.62 = 3,816.07/x
  3. Step 3: Cross multiply
    6,959.89x = 9,604.62 × 3,816.07
  4. Step 4: Simplify right side
    6,959.89x = 36,651,902.24
  5. Step 5: Solve for x
    x = 36,651,902.24/6,959.89
  6. Step 6: Final answer
    x = 5,266.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.