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Finding the Fourth Proportional to 20,199.93, 30,304.80 and 6,348.93

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Solution

The fourth proportional to 20,199.93, 30,304.80 and 6,348.93 is: 9,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.93 : 30,304.80 = 6,348.93 : x
  2. Step 2: Convert to fraction form
    20,199.93/30,304.80 = 6,348.93/x
  3. Step 3: Cross multiply
    20,199.93x = 30,304.80 × 6,348.93
  4. Step 4: Simplify right side
    20,199.93x = 192,403,053.86
  5. Step 5: Solve for x
    x = 192,403,053.86/20,199.93
  6. Step 6: Final answer
    x = 9,524.94

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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.