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Finding the Fourth Proportional to 3,630.50, 5,010.70 and 2,059.50

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Solution

The fourth proportional to 3,630.50, 5,010.70 and 2,059.50 is: 2,842.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.50 : 5,010.70 = 2,059.50 : x
  2. Step 2: Convert to fraction form
    3,630.50/5,010.70 = 2,059.50/x
  3. Step 3: Cross multiply
    3,630.50x = 5,010.70 × 2,059.50
  4. Step 4: Simplify right side
    3,630.50x = 10,319,536.65
  5. Step 5: Solve for x
    x = 10,319,536.65/3,630.50
  6. Step 6: Final answer
    x = 2,842.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.