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Finding the Fourth Proportional to 55,394.29, 83,101.77 and 17,951.03

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Solution

The fourth proportional to 55,394.29, 83,101.77 and 17,951.03 is: 26,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,394.29 : 83,101.77 = 17,951.03 : x
  2. Step 2: Convert to fraction form
    55,394.29/83,101.77 = 17,951.03/x
  3. Step 3: Cross multiply
    55,394.29x = 83,101.77 × 17,951.03
  4. Step 4: Simplify right side
    55,394.29x = 1,491,762,262.45
  5. Step 5: Solve for x
    x = 1,491,762,262.45/55,394.29
  6. Step 6: Final answer
    x = 26,929.89

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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.