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Finding the Fourth Proportional to 11,751.08, 17,621.04 and 6,822.23

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Solution

The fourth proportional to 11,751.08, 17,621.04 and 6,822.23 is: 10,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.08 : 17,621.04 = 6,822.23 : x
  2. Step 2: Convert to fraction form
    11,751.08/17,621.04 = 6,822.23/x
  3. Step 3: Cross multiply
    11,751.08x = 17,621.04 × 6,822.23
  4. Step 4: Simplify right side
    11,751.08x = 120,214,787.72
  5. Step 5: Solve for x
    x = 120,214,787.72/11,751.08
  6. Step 6: Final answer
    x = 10,230.11

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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.