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Finding the Fourth Proportional to 55,576.55, 83,373.02 and 16,128.54

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Solution

The fourth proportional to 55,576.55, 83,373.02 and 16,128.54 is: 24,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,576.55 : 83,373.02 = 16,128.54 : x
  2. Step 2: Convert to fraction form
    55,576.55/83,373.02 = 16,128.54/x
  3. Step 3: Cross multiply
    55,576.55x = 83,373.02 × 16,128.54
  4. Step 4: Simplify right side
    55,576.55x = 1,344,685,087.99
  5. Step 5: Solve for x
    x = 1,344,685,087.99/55,576.55
  6. Step 6: Final answer
    x = 24,195.19

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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.