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Finding the Fourth Proportional to 3,203.48, 4,804.80 and 1,012.43

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Solution

The fourth proportional to 3,203.48, 4,804.80 and 1,012.43 is: 1,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.48 : 4,804.80 = 1,012.43 : x
  2. Step 2: Convert to fraction form
    3,203.48/4,804.80 = 1,012.43/x
  3. Step 3: Cross multiply
    3,203.48x = 4,804.80 × 1,012.43
  4. Step 4: Simplify right side
    3,203.48x = 4,864,499.64
  5. Step 5: Solve for x
    x = 4,864,499.64/3,203.48
  6. Step 6: Final answer
    x = 1,518.51

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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.