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Finding the Fourth Proportional to 20,089.94, 30,096.03 and 15,450.26

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Solution

The fourth proportional to 20,089.94, 30,096.03 and 15,450.26 is: 23,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.94 : 30,096.03 = 15,450.26 : x
  2. Step 2: Convert to fraction form
    20,089.94/30,096.03 = 15,450.26/x
  3. Step 3: Cross multiply
    20,089.94x = 30,096.03 × 15,450.26
  4. Step 4: Simplify right side
    20,089.94x = 464,991,488.47
  5. Step 5: Solve for x
    x = 464,991,488.47/20,089.94
  6. Step 6: Final answer
    x = 23,145.49

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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.