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Finding the Fourth Proportional to 3,967.51, 5,949.96 and 1,193.65

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Solution

The fourth proportional to 3,967.51, 5,949.96 and 1,193.65 is: 1,790.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.51 : 5,949.96 = 1,193.65 : x
  2. Step 2: Convert to fraction form
    3,967.51/5,949.96 = 1,193.65/x
  3. Step 3: Cross multiply
    3,967.51x = 5,949.96 × 1,193.65
  4. Step 4: Simplify right side
    3,967.51x = 7,102,169.75
  5. Step 5: Solve for x
    x = 7,102,169.75/3,967.51
  6. Step 6: Final answer
    x = 1,790.08

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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.