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Finding the Fourth Proportional to 27,892.40, 41,773.80 and 19,079.60

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Solution

The fourth proportional to 27,892.40, 41,773.80 and 19,079.60 is: 28,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,892.40 : 41,773.80 = 19,079.60 : x
  2. Step 2: Convert to fraction form
    27,892.40/41,773.80 = 19,079.60/x
  3. Step 3: Cross multiply
    27,892.40x = 41,773.80 × 19,079.60
  4. Step 4: Simplify right side
    27,892.40x = 797,027,394.48
  5. Step 5: Solve for x
    x = 797,027,394.48/27,892.40
  6. Step 6: Final answer
    x = 28,575.07

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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.