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Finding the Fourth Proportional to 27,989.37, 41,969.43 and 10,444.77

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Solution

The fourth proportional to 27,989.37, 41,969.43 and 10,444.77 is: 15,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989.37 : 41,969.43 = 10,444.77 : x
  2. Step 2: Convert to fraction form
    27,989.37/41,969.43 = 10,444.77/x
  3. Step 3: Cross multiply
    27,989.37x = 41,969.43 × 10,444.77
  4. Step 4: Simplify right side
    27,989.37x = 438,361,043.38
  5. Step 5: Solve for x
    x = 438,361,043.38/27,989.37
  6. Step 6: Final answer
    x = 15,661.70

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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.