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Finding the Fourth Proportional to 36,040.50, 49,735.71 and 20,124

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Solution

The fourth proportional to 36,040.50, 49,735.71 and 20,124 is: 27,771.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,040.50 : 49,735.71 = 20,124 : x
  2. Step 2: Convert to fraction form
    36,040.50/49,735.71 = 20,124/x
  3. Step 3: Cross multiply
    36,040.50x = 49,735.71 × 20,124
  4. Step 4: Simplify right side
    36,040.50x = 1,000,881,428.04
  5. Step 5: Solve for x
    x = 1,000,881,428.04/36,040.50
  6. Step 6: Final answer
    x = 27,771.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.