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Finding the Fourth Proportional to 11,832.90, 17,734.28 and 6,288.90

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Solution

The fourth proportional to 11,832.90, 17,734.28 and 6,288.90 is: 9,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.90 : 17,734.28 = 6,288.90 : x
  2. Step 2: Convert to fraction form
    11,832.90/17,734.28 = 6,288.90/x
  3. Step 3: Cross multiply
    11,832.90x = 17,734.28 × 6,288.90
  4. Step 4: Simplify right side
    11,832.90x = 111,529,082.05
  5. Step 5: Solve for x
    x = 111,529,082.05/11,832.90
  6. Step 6: Final answer
    x = 9,425.34

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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.