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Finding the Fourth Proportional to 55,370.65, 83,069.19 and 17,930.77

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Solution

The fourth proportional to 55,370.65, 83,069.19 and 17,930.77 is: 26,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,370.65 : 83,069.19 = 17,930.77 : x
  2. Step 2: Convert to fraction form
    55,370.65/83,069.19 = 17,930.77/x
  3. Step 3: Cross multiply
    55,370.65x = 83,069.19 × 17,930.77
  4. Step 4: Simplify right side
    55,370.65x = 1,489,494,539.98
  5. Step 5: Solve for x
    x = 1,489,494,539.98/55,370.65
  6. Step 6: Final answer
    x = 26,900.43

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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.