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Finding the Fourth Proportional to 7,806.04, 11,713.66 and 2,879.14

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Solution

The fourth proportional to 7,806.04, 11,713.66 and 2,879.14 is: 4,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806.04 : 11,713.66 = 2,879.14 : x
  2. Step 2: Convert to fraction form
    7,806.04/11,713.66 = 2,879.14/x
  3. Step 3: Cross multiply
    7,806.04x = 11,713.66 × 2,879.14
  4. Step 4: Simplify right side
    7,806.04x = 33,725,267.05
  5. Step 5: Solve for x
    x = 33,725,267.05/7,806.04
  6. Step 6: Final answer
    x = 4,320.41

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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.