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Finding the Fourth Proportional to 27,903.48, 41,856.36 and 7,127.52

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Solution

The fourth proportional to 27,903.48, 41,856.36 and 7,127.52 is: 10,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.48 : 41,856.36 = 7,127.52 : x
  2. Step 2: Convert to fraction form
    27,903.48/41,856.36 = 7,127.52/x
  3. Step 3: Cross multiply
    27,903.48x = 41,856.36 × 7,127.52
  4. Step 4: Simplify right side
    27,903.48x = 298,332,043.03
  5. Step 5: Solve for x
    x = 298,332,043.03/27,903.48
  6. Step 6: Final answer
    x = 10,691.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.