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Finding the Fourth Proportional to 2,042.53, 3,063.81 and 503.53

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Solution

The fourth proportional to 2,042.53, 3,063.81 and 503.53 is: 755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.53 : 3,063.81 = 503.53 : x
  2. Step 2: Convert to fraction form
    2,042.53/3,063.81 = 503.53/x
  3. Step 3: Cross multiply
    2,042.53x = 3,063.81 × 503.53
  4. Step 4: Simplify right side
    2,042.53x = 1,542,720.25
  5. Step 5: Solve for x
    x = 1,542,720.25/2,042.53
  6. Step 6: Final answer
    x = 755.30

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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.