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Finding the Fourth Proportional to 39,052.85, 53,893.01 and 23,145.17

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Solution

The fourth proportional to 39,052.85, 53,893.01 and 23,145.17 is: 31,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,052.85 : 53,893.01 = 23,145.17 : x
  2. Step 2: Convert to fraction form
    39,052.85/53,893.01 = 23,145.17/x
  3. Step 3: Cross multiply
    39,052.85x = 53,893.01 × 23,145.17
  4. Step 4: Simplify right side
    39,052.85x = 1,247,362,762.54
  5. Step 5: Solve for x
    x = 1,247,362,762.54/39,052.85
  6. Step 6: Final answer
    x = 31,940.38

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Why These Related Problems?

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