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Finding the Fourth Proportional to 43,405.80, 65,052 and 23,679.06

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Solution

The fourth proportional to 43,405.80, 65,052 and 23,679.06 is: 35,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,405.80 : 65,052 = 23,679.06 : x
  2. Step 2: Convert to fraction form
    43,405.80/65,052 = 23,679.06/x
  3. Step 3: Cross multiply
    43,405.80x = 65,052 × 23,679.06
  4. Step 4: Simplify right side
    43,405.80x = 1,540,370,211.12
  5. Step 5: Solve for x
    x = 1,540,370,211.12/43,405.80
  6. Step 6: Final answer
    x = 35,487.66

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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.