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Finding the Fourth Proportional to 20,891.52, 31,333.93 and 6,096.98

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Solution

The fourth proportional to 20,891.52, 31,333.93 and 6,096.98 is: 9,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,891.52 : 31,333.93 = 6,096.98 : x
  2. Step 2: Convert to fraction form
    20,891.52/31,333.93 = 6,096.98/x
  3. Step 3: Cross multiply
    20,891.52x = 31,333.93 × 6,096.98
  4. Step 4: Simplify right side
    20,891.52x = 191,042,344.53
  5. Step 5: Solve for x
    x = 191,042,344.53/20,891.52
  6. Step 6: Final answer
    x = 9,144.49

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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.