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Finding the Fourth Proportional to 43,797.76, 65,655.07 and 14,194.79

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Solution

The fourth proportional to 43,797.76, 65,655.07 and 14,194.79 is: 21,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,797.76 : 65,655.07 = 14,194.79 : x
  2. Step 2: Convert to fraction form
    43,797.76/65,655.07 = 14,194.79/x
  3. Step 3: Cross multiply
    43,797.76x = 65,655.07 × 14,194.79
  4. Step 4: Simplify right side
    43,797.76x = 931,959,531.84
  5. Step 5: Solve for x
    x = 931,959,531.84/43,797.76
  6. Step 6: Final answer
    x = 21,278.71

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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.