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Finding the Fourth Proportional to 55,145.88, 82,693.98 and 15,694.02

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Solution

The fourth proportional to 55,145.88, 82,693.98 and 15,694.02 is: 23,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,145.88 : 82,693.98 = 15,694.02 : x
  2. Step 2: Convert to fraction form
    55,145.88/82,693.98 = 15,694.02/x
  3. Step 3: Cross multiply
    55,145.88x = 82,693.98 × 15,694.02
  4. Step 4: Simplify right side
    55,145.88x = 1,297,800,976.00
  5. Step 5: Solve for x
    x = 1,297,800,976.00/55,145.88
  6. Step 6: Final answer
    x = 23,533.96

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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.