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Finding the Fourth Proportional to 8,192.75, 12,289.21 and 2,036.75

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Solution

The fourth proportional to 8,192.75, 12,289.21 and 2,036.75 is: 3,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.75 : 12,289.21 = 2,036.75 : x
  2. Step 2: Convert to fraction form
    8,192.75/12,289.21 = 2,036.75/x
  3. Step 3: Cross multiply
    8,192.75x = 12,289.21 × 2,036.75
  4. Step 4: Simplify right side
    8,192.75x = 25,030,048.47
  5. Step 5: Solve for x
    x = 25,030,048.47/8,192.75
  6. Step 6: Final answer
    x = 3,055.15

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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.