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Finding the Fourth Proportional to 43,391.88, 65,087.82 and 22,655.88

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Solution

The fourth proportional to 43,391.88, 65,087.82 and 22,655.88 is: 33,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,391.88 : 65,087.82 = 22,655.88 : x
  2. Step 2: Convert to fraction form
    43,391.88/65,087.82 = 22,655.88/x
  3. Step 3: Cross multiply
    43,391.88x = 65,087.82 × 22,655.88
  4. Step 4: Simplify right side
    43,391.88x = 1,474,621,839.38
  5. Step 5: Solve for x
    x = 1,474,621,839.38/43,391.88
  6. Step 6: Final answer
    x = 33,983.82

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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.