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Finding the Fourth Proportional to 43,561.94, 65,335.15 and 27,719.95

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Solution

The fourth proportional to 43,561.94, 65,335.15 and 27,719.95 is: 41,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,561.94 : 65,335.15 = 27,719.95 : x
  2. Step 2: Convert to fraction form
    43,561.94/65,335.15 = 27,719.95/x
  3. Step 3: Cross multiply
    43,561.94x = 65,335.15 × 27,719.95
  4. Step 4: Simplify right side
    43,561.94x = 1,811,086,858.60
  5. Step 5: Solve for x
    x = 1,811,086,858.60/43,561.94
  6. Step 6: Final answer
    x = 41,574.98

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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.