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Finding the Fourth Proportional to 27,671.31, 41,535.23 and 20,253.74

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Solution

The fourth proportional to 27,671.31, 41,535.23 and 20,253.74 is: 30,401.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.31 : 41,535.23 = 20,253.74 : x
  2. Step 2: Convert to fraction form
    27,671.31/41,535.23 = 20,253.74/x
  3. Step 3: Cross multiply
    27,671.31x = 41,535.23 × 20,253.74
  4. Step 4: Simplify right side
    27,671.31x = 841,243,440.32
  5. Step 5: Solve for x
    x = 841,243,440.32/27,671.31
  6. Step 6: Final answer
    x = 30,401.29

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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.