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Finding the Fourth Proportional to 56,489.81, 84,735.32 and 17,047.27

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Solution

The fourth proportional to 56,489.81, 84,735.32 and 17,047.27 is: 25,571.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489.81 : 84,735.32 = 17,047.27 : x
  2. Step 2: Convert to fraction form
    56,489.81/84,735.32 = 17,047.27/x
  3. Step 3: Cross multiply
    56,489.81x = 84,735.32 × 17,047.27
  4. Step 4: Simplify right side
    56,489.81x = 1,444,505,793.34
  5. Step 5: Solve for x
    x = 1,444,505,793.34/56,489.81
  6. Step 6: Final answer
    x = 25,571.09

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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.