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Finding the Fourth Proportional to 7,797.99, 11,702.12 and 2,867.69

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Solution

The fourth proportional to 7,797.99, 11,702.12 and 2,867.69 is: 4,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.99 : 11,702.12 = 2,867.69 : x
  2. Step 2: Convert to fraction form
    7,797.99/11,702.12 = 2,867.69/x
  3. Step 3: Cross multiply
    7,797.99x = 11,702.12 × 2,867.69
  4. Step 4: Simplify right side
    7,797.99x = 33,557,979.65
  5. Step 5: Solve for x
    x = 33,557,979.65/7,797.99
  6. Step 6: Final answer
    x = 4,303.41

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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.