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Finding the Fourth Proportional to 55,374.62, 83,054.79 and 17,930.94

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Solution

The fourth proportional to 55,374.62, 83,054.79 and 17,930.94 is: 26,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,374.62 : 83,054.79 = 17,930.94 : x
  2. Step 2: Convert to fraction form
    55,374.62/83,054.79 = 17,930.94/x
  3. Step 3: Cross multiply
    55,374.62x = 83,054.79 × 17,930.94
  4. Step 4: Simplify right side
    55,374.62x = 1,489,250,456.20
  5. Step 5: Solve for x
    x = 1,489,250,456.20/55,374.62
  6. Step 6: Final answer
    x = 26,894.10

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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.