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Finding the Fourth Proportional to 3,973.07, 5,960.97 and 1,199.66

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Solution

The fourth proportional to 3,973.07, 5,960.97 and 1,199.66 is: 1,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.07 : 5,960.97 = 1,199.66 : x
  2. Step 2: Convert to fraction form
    3,973.07/5,960.97 = 1,199.66/x
  3. Step 3: Cross multiply
    3,973.07x = 5,960.97 × 1,199.66
  4. Step 4: Simplify right side
    3,973.07x = 7,151,152.17
  5. Step 5: Solve for x
    x = 7,151,152.17/3,973.07
  6. Step 6: Final answer
    x = 1,799.90

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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.