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Finding the Fourth Proportional to 7,198.63, 10,795.09 and 3,499.77

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Solution

The fourth proportional to 7,198.63, 10,795.09 and 3,499.77 is: 5,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198.63 : 10,795.09 = 3,499.77 : x
  2. Step 2: Convert to fraction form
    7,198.63/10,795.09 = 3,499.77/x
  3. Step 3: Cross multiply
    7,198.63x = 10,795.09 × 3,499.77
  4. Step 4: Simplify right side
    7,198.63x = 37,780,332.13
  5. Step 5: Solve for x
    x = 37,780,332.13/7,198.63
  6. Step 6: Final answer
    x = 5,248.27

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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.