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Finding the Fourth Proportional to 6,959.37, 9,604.07 and 3,815.37

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Solution

The fourth proportional to 6,959.37, 9,604.07 and 3,815.37 is: 5,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.37 : 9,604.07 = 3,815.37 : x
  2. Step 2: Convert to fraction form
    6,959.37/9,604.07 = 3,815.37/x
  3. Step 3: Cross multiply
    6,959.37x = 9,604.07 × 3,815.37
  4. Step 4: Simplify right side
    6,959.37x = 36,643,061.48
  5. Step 5: Solve for x
    x = 36,643,061.48/6,959.37
  6. Step 6: Final answer
    x = 5,265.28

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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.