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Finding the Fourth Proportional to 3,133.77, 4,696.02 and 2,958.45

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Solution

The fourth proportional to 3,133.77, 4,696.02 and 2,958.45 is: 4,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.77 : 4,696.02 = 2,958.45 : x
  2. Step 2: Convert to fraction form
    3,133.77/4,696.02 = 2,958.45/x
  3. Step 3: Cross multiply
    3,133.77x = 4,696.02 × 2,958.45
  4. Step 4: Simplify right side
    3,133.77x = 13,892,940.37
  5. Step 5: Solve for x
    x = 13,892,940.37/3,133.77
  6. Step 6: Final answer
    x = 4,433.30

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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.