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Finding the Fourth Proportional to 74,520.63, 111,792.06 and 24,606

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Solution

The fourth proportional to 74,520.63, 111,792.06 and 24,606 is: 36,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,520.63 : 111,792.06 = 24,606 : x
  2. Step 2: Convert to fraction form
    74,520.63/111,792.06 = 24,606/x
  3. Step 3: Cross multiply
    74,520.63x = 111,792.06 × 24,606
  4. Step 4: Simplify right side
    74,520.63x = 2,750,755,428.36
  5. Step 5: Solve for x
    x = 2,750,755,428.36/74,520.63
  6. Step 6: Final answer
    x = 36,912.67

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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.