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Finding the Fourth Proportional to 45,477.79, 68,090.73 and 23,243.29

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Solution

The fourth proportional to 45,477.79, 68,090.73 and 23,243.29 is: 34,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,477.79 : 68,090.73 = 23,243.29 : x
  2. Step 2: Convert to fraction form
    45,477.79/68,090.73 = 23,243.29/x
  3. Step 3: Cross multiply
    45,477.79x = 68,090.73 × 23,243.29
  4. Step 4: Simplify right side
    45,477.79x = 1,582,652,583.70
  5. Step 5: Solve for x
    x = 1,582,652,583.70/45,477.79
  6. Step 6: Final answer
    x = 34,800.56

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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.