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Finding the Fourth Proportional to 3,973.84, 5,960.46 and 1,200.44

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Solution

The fourth proportional to 3,973.84, 5,960.46 and 1,200.44 is: 1,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.84 : 5,960.46 = 1,200.44 : x
  2. Step 2: Convert to fraction form
    3,973.84/5,960.46 = 1,200.44/x
  3. Step 3: Cross multiply
    3,973.84x = 5,960.46 × 1,200.44
  4. Step 4: Simplify right side
    3,973.84x = 7,155,174.60
  5. Step 5: Solve for x
    x = 7,155,174.60/3,973.84
  6. Step 6: Final answer
    x = 1,800.57

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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.