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Finding the Fourth Proportional to 20,059.69, 30,093.99 and 6,912.04

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Solution

The fourth proportional to 20,059.69, 30,093.99 and 6,912.04 is: 10,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.69 : 30,093.99 = 6,912.04 : x
  2. Step 2: Convert to fraction form
    20,059.69/30,093.99 = 6,912.04/x
  3. Step 3: Cross multiply
    20,059.69x = 30,093.99 × 6,912.04
  4. Step 4: Simplify right side
    20,059.69x = 208,010,862.64
  5. Step 5: Solve for x
    x = 208,010,862.64/20,059.69
  6. Step 6: Final answer
    x = 10,369.60

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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.