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Finding the Fourth Proportional to 48,912.81, 73,380.42 and 17,748.06

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Solution

The fourth proportional to 48,912.81, 73,380.42 and 17,748.06 is: 26,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,912.81 : 73,380.42 = 17,748.06 : x
  2. Step 2: Convert to fraction form
    48,912.81/73,380.42 = 17,748.06/x
  3. Step 3: Cross multiply
    48,912.81x = 73,380.42 × 17,748.06
  4. Step 4: Simplify right side
    48,912.81x = 1,302,360,096.99
  5. Step 5: Solve for x
    x = 1,302,360,096.99/48,912.81
  6. Step 6: Final answer
    x = 26,626.16

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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.