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Finding the Fourth Proportional to 20,198.93, 30,303.30 and 6,347.93

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Solution

The fourth proportional to 20,198.93, 30,303.30 and 6,347.93 is: 9,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.93 : 30,303.30 = 6,347.93 : x
  2. Step 2: Convert to fraction form
    20,198.93/30,303.30 = 6,347.93/x
  3. Step 3: Cross multiply
    20,198.93x = 30,303.30 × 6,347.93
  4. Step 4: Simplify right side
    20,198.93x = 192,363,227.17
  5. Step 5: Solve for x
    x = 192,363,227.17/20,198.93
  6. Step 6: Final answer
    x = 9,523.44

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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.