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Finding the Fourth Proportional to 7,794.99, 11,697.62 and 2,864.69

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Solution

The fourth proportional to 7,794.99, 11,697.62 and 2,864.69 is: 4,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.99 : 11,697.62 = 2,864.69 : x
  2. Step 2: Convert to fraction form
    7,794.99/11,697.62 = 2,864.69/x
  3. Step 3: Cross multiply
    7,794.99x = 11,697.62 × 2,864.69
  4. Step 4: Simplify right side
    7,794.99x = 33,509,982.23
  5. Step 5: Solve for x
    x = 33,509,982.23/7,794.99
  6. Step 6: Final answer
    x = 4,298.91

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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.