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Finding the Fourth Proportional to 11,256.76, 16,879.06 and 7,976.26

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Solution

The fourth proportional to 11,256.76, 16,879.06 and 7,976.26 is: 11,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.76 : 16,879.06 = 7,976.26 : x
  2. Step 2: Convert to fraction form
    11,256.76/16,879.06 = 7,976.26/x
  3. Step 3: Cross multiply
    11,256.76x = 16,879.06 × 7,976.26
  4. Step 4: Simplify right side
    11,256.76x = 134,631,771.12
  5. Step 5: Solve for x
    x = 134,631,771.12/11,256.76
  6. Step 6: Final answer
    x = 11,960.08

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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.