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Finding the Fourth Proportional to 6,959.69, 9,604.61 and 4,974.99

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Solution

The fourth proportional to 6,959.69, 9,604.61 and 4,974.99 is: 6,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.69 : 9,604.61 = 4,974.99 : x
  2. Step 2: Convert to fraction form
    6,959.69/9,604.61 = 4,974.99/x
  3. Step 3: Cross multiply
    6,959.69x = 9,604.61 × 4,974.99
  4. Step 4: Simplify right side
    6,959.69x = 47,782,796.47
  5. Step 5: Solve for x
    x = 47,782,796.47/6,959.69
  6. Step 6: Final answer
    x = 6,865.65

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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.