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Finding the Fourth Proportional to 43,433.88, 65,151.94 and 11,844.20

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Solution

The fourth proportional to 43,433.88, 65,151.94 and 11,844.20 is: 17,766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,433.88 : 65,151.94 = 11,844.20 : x
  2. Step 2: Convert to fraction form
    43,433.88/65,151.94 = 11,844.20/x
  3. Step 3: Cross multiply
    43,433.88x = 65,151.94 × 11,844.20
  4. Step 4: Simplify right side
    43,433.88x = 771,672,607.75
  5. Step 5: Solve for x
    x = 771,672,607.75/43,433.88
  6. Step 6: Final answer
    x = 17,766.61

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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.