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Finding the Fourth Proportional to 55,367.87, 83,065.02 and 17,927.98

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Solution

The fourth proportional to 55,367.87, 83,065.02 and 17,927.98 is: 26,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367.87 : 83,065.02 = 17,927.98 : x
  2. Step 2: Convert to fraction form
    55,367.87/83,065.02 = 17,927.98/x
  3. Step 3: Cross multiply
    55,367.87x = 83,065.02 × 17,927.98
  4. Step 4: Simplify right side
    55,367.87x = 1,489,187,809.60
  5. Step 5: Solve for x
    x = 1,489,187,809.60/55,367.87
  6. Step 6: Final answer
    x = 26,896.25

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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.