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Finding the Fourth Proportional to 3,973.09, 5,959.63 and 1,376.03

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Solution

The fourth proportional to 3,973.09, 5,959.63 and 1,376.03 is: 2,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.09 : 5,959.63 = 1,376.03 : x
  2. Step 2: Convert to fraction form
    3,973.09/5,959.63 = 1,376.03/x
  3. Step 3: Cross multiply
    3,973.09x = 5,959.63 × 1,376.03
  4. Step 4: Simplify right side
    3,973.09x = 8,200,599.87
  5. Step 5: Solve for x
    x = 8,200,599.87/3,973.09
  6. Step 6: Final answer
    x = 2,064.04

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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.