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Finding the Fourth Proportional to 55,080.50, 82,623.87 and 15,634.50

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Solution

The fourth proportional to 55,080.50, 82,623.87 and 15,634.50 is: 23,452.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080.50 : 82,623.87 = 15,634.50 : x
  2. Step 2: Convert to fraction form
    55,080.50/82,623.87 = 15,634.50/x
  3. Step 3: Cross multiply
    55,080.50x = 82,623.87 × 15,634.50
  4. Step 4: Simplify right side
    55,080.50x = 1,291,782,895.52
  5. Step 5: Solve for x
    x = 1,291,782,895.52/55,080.50
  6. Step 6: Final answer
    x = 23,452.64

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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.