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Finding the Fourth Proportional to 34,604.80, 51,872.64 and 17,087.20

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Solution

The fourth proportional to 34,604.80, 51,872.64 and 17,087.20 is: 25,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,604.80 : 51,872.64 = 17,087.20 : x
  2. Step 2: Convert to fraction form
    34,604.80/51,872.64 = 17,087.20/x
  3. Step 3: Cross multiply
    34,604.80x = 51,872.64 × 17,087.20
  4. Step 4: Simplify right side
    34,604.80x = 886,358,174.21
  5. Step 5: Solve for x
    x = 886,358,174.21/34,604.80
  6. Step 6: Final answer
    x = 25,613.73

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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.