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Finding the Fourth Proportional to 7,895.07, 11,832.89 and 3,997.35

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Solution

The fourth proportional to 7,895.07, 11,832.89 and 3,997.35 is: 5,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.07 : 11,832.89 = 3,997.35 : x
  2. Step 2: Convert to fraction form
    7,895.07/11,832.89 = 3,997.35/x
  3. Step 3: Cross multiply
    7,895.07x = 11,832.89 × 3,997.35
  4. Step 4: Simplify right side
    7,895.07x = 47,300,182.85
  5. Step 5: Solve for x
    x = 47,300,182.85/7,895.07
  6. Step 6: Final answer
    x = 5,991.10

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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.