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Finding the Fourth Proportional to 55,120.62, 82,679.10 and 23,955.90

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Solution

The fourth proportional to 55,120.62, 82,679.10 and 23,955.90 is: 35,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,120.62 : 82,679.10 = 23,955.90 : x
  2. Step 2: Convert to fraction form
    55,120.62/82,679.10 = 23,955.90/x
  3. Step 3: Cross multiply
    55,120.62x = 82,679.10 × 23,955.90
  4. Step 4: Simplify right side
    55,120.62x = 1,980,652,251.69
  5. Step 5: Solve for x
    x = 1,980,652,251.69/55,120.62
  6. Step 6: Final answer
    x = 35,933.05

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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.