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Finding the Fourth Proportional to 7,900.94, 11,850.44 and 2,058.01

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Solution

The fourth proportional to 7,900.94, 11,850.44 and 2,058.01 is: 3,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.94 : 11,850.44 = 2,058.01 : x
  2. Step 2: Convert to fraction form
    7,900.94/11,850.44 = 2,058.01/x
  3. Step 3: Cross multiply
    7,900.94x = 11,850.44 × 2,058.01
  4. Step 4: Simplify right side
    7,900.94x = 24,388,284.11
  5. Step 5: Solve for x
    x = 24,388,284.11/7,900.94
  6. Step 6: Final answer
    x = 3,086.76

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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.