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Finding the Fourth Proportional to 7,195.63, 10,795.05 and 2,813.13

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Solution

The fourth proportional to 7,195.63, 10,795.05 and 2,813.13 is: 4,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.63 : 10,795.05 = 2,813.13 : x
  2. Step 2: Convert to fraction form
    7,195.63/10,795.05 = 2,813.13/x
  3. Step 3: Cross multiply
    7,195.63x = 10,795.05 × 2,813.13
  4. Step 4: Simplify right side
    7,195.63x = 30,367,879.01
  5. Step 5: Solve for x
    x = 30,367,879.01/7,195.63
  6. Step 6: Final answer
    x = 4,220.32

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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.