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Finding the Fourth Proportional to 8,028.93, 12,040.40 and 2,762.47

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Solution

The fourth proportional to 8,028.93, 12,040.40 and 2,762.47 is: 4,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.93 : 12,040.40 = 2,762.47 : x
  2. Step 2: Convert to fraction form
    8,028.93/12,040.40 = 2,762.47/x
  3. Step 3: Cross multiply
    8,028.93x = 12,040.40 × 2,762.47
  4. Step 4: Simplify right side
    8,028.93x = 33,261,183.59
  5. Step 5: Solve for x
    x = 33,261,183.59/8,028.93
  6. Step 6: Final answer
    x = 4,142.67

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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.