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Finding the Fourth Proportional to 20,197.44, 30,300.98 and 6,346.44

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Solution

The fourth proportional to 20,197.44, 30,300.98 and 6,346.44 is: 9,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.44 : 30,300.98 = 6,346.44 : x
  2. Step 2: Convert to fraction form
    20,197.44/30,300.98 = 6,346.44/x
  3. Step 3: Cross multiply
    20,197.44x = 30,300.98 × 6,346.44
  4. Step 4: Simplify right side
    20,197.44x = 192,303,319.78
  5. Step 5: Solve for x
    x = 192,303,319.78/20,197.44
  6. Step 6: Final answer
    x = 9,521.17

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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.