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Finding the Fourth Proportional to 11,980.33, 16,532.12 and 6,944.15

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Solution

The fourth proportional to 11,980.33, 16,532.12 and 6,944.15 is: 9,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.33 : 16,532.12 = 6,944.15 : x
  2. Step 2: Convert to fraction form
    11,980.33/16,532.12 = 6,944.15/x
  3. Step 3: Cross multiply
    11,980.33x = 16,532.12 × 6,944.15
  4. Step 4: Simplify right side
    11,980.33x = 114,801,579.79
  5. Step 5: Solve for x
    x = 114,801,579.79/11,980.33
  6. Step 6: Final answer
    x = 9,582.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.