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Finding the Fourth Proportional to 20,096, 30,146.56 and 5,504

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Solution

The fourth proportional to 20,096, 30,146.56 and 5,504 is: 8,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096 : 30,146.56 = 5,504 : x
  2. Step 2: Convert to fraction form
    20,096/30,146.56 = 5,504/x
  3. Step 3: Cross multiply
    20,096x = 30,146.56 × 5,504
  4. Step 4: Simplify right side
    20,096x = 165,926,666.24
  5. Step 5: Solve for x
    x = 165,926,666.24/20,096
  6. Step 6: Final answer
    x = 8,256.70

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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.