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Finding the Fourth Proportional to 18,804.66, 28,198.14 and 6,950.26

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Solution

The fourth proportional to 18,804.66, 28,198.14 and 6,950.26 is: 10,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.66 : 28,198.14 = 6,950.26 : x
  2. Step 2: Convert to fraction form
    18,804.66/28,198.14 = 6,950.26/x
  3. Step 3: Cross multiply
    18,804.66x = 28,198.14 × 6,950.26
  4. Step 4: Simplify right side
    18,804.66x = 195,984,404.52
  5. Step 5: Solve for x
    x = 195,984,404.52/18,804.66
  6. Step 6: Final answer
    x = 10,422.12

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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.