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Finding the Fourth Proportional to 55,469.60, 83,157.60 and 25,871.84

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Solution

The fourth proportional to 55,469.60, 83,157.60 and 25,871.84 is: 38,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,469.60 : 83,157.60 = 25,871.84 : x
  2. Step 2: Convert to fraction form
    55,469.60/83,157.60 = 25,871.84/x
  3. Step 3: Cross multiply
    55,469.60x = 83,157.60 × 25,871.84
  4. Step 4: Simplify right side
    55,469.60x = 2,151,440,121.98
  5. Step 5: Solve for x
    x = 2,151,440,121.98/55,469.60
  6. Step 6: Final answer
    x = 38,785.93

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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.