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Finding the Fourth Proportional to 2,509.73, 3,764.90 and 1,048.69

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Solution

The fourth proportional to 2,509.73, 3,764.90 and 1,048.69 is: 1,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.73 : 3,764.90 = 1,048.69 : x
  2. Step 2: Convert to fraction form
    2,509.73/3,764.90 = 1,048.69/x
  3. Step 3: Cross multiply
    2,509.73x = 3,764.90 × 1,048.69
  4. Step 4: Simplify right side
    2,509.73x = 3,948,198.33
  5. Step 5: Solve for x
    x = 3,948,198.33/2,509.73
  6. Step 6: Final answer
    x = 1,573.16

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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.