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Finding the Fourth Proportional to 11,832.40, 17,733.53 and 6,288.40

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Solution

The fourth proportional to 11,832.40, 17,733.53 and 6,288.40 is: 9,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.40 : 17,733.53 = 6,288.40 : x
  2. Step 2: Convert to fraction form
    11,832.40/17,733.53 = 6,288.40/x
  3. Step 3: Cross multiply
    11,832.40x = 17,733.53 × 6,288.40
  4. Step 4: Simplify right side
    11,832.40x = 111,515,498.61
  5. Step 5: Solve for x
    x = 111,515,498.61/11,832.40
  6. Step 6: Final answer
    x = 9,424.59

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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.