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Finding the Fourth Proportional to 55,640.76, 83,446.02 and 16,187.64

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Solution

The fourth proportional to 55,640.76, 83,446.02 and 16,187.64 is: 24,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,640.76 : 83,446.02 = 16,187.64 : x
  2. Step 2: Convert to fraction form
    55,640.76/83,446.02 = 16,187.64/x
  3. Step 3: Cross multiply
    55,640.76x = 83,446.02 × 16,187.64
  4. Step 4: Simplify right side
    55,640.76x = 1,350,794,131.19
  5. Step 5: Solve for x
    x = 1,350,794,131.19/55,640.76
  6. Step 6: Final answer
    x = 24,277.06

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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.