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Finding the Fourth Proportional to 5,361.94, 8,040.93 and 1,851.05

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Solution

The fourth proportional to 5,361.94, 8,040.93 and 1,851.05 is: 2,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.94 : 8,040.93 = 1,851.05 : x
  2. Step 2: Convert to fraction form
    5,361.94/8,040.93 = 1,851.05/x
  3. Step 3: Cross multiply
    5,361.94x = 8,040.93 × 1,851.05
  4. Step 4: Simplify right side
    5,361.94x = 14,884,143.37
  5. Step 5: Solve for x
    x = 14,884,143.37/5,361.94
  6. Step 6: Final answer
    x = 2,775.89

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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.