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Finding the Fourth Proportional to 3,012.76, 4,517.52 and 1,368.42

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Solution

The fourth proportional to 3,012.76, 4,517.52 and 1,368.42 is: 2,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.76 : 4,517.52 = 1,368.42 : x
  2. Step 2: Convert to fraction form
    3,012.76/4,517.52 = 1,368.42/x
  3. Step 3: Cross multiply
    3,012.76x = 4,517.52 × 1,368.42
  4. Step 4: Simplify right side
    3,012.76x = 6,181,864.72
  5. Step 5: Solve for x
    x = 6,181,864.72/3,012.76
  6. Step 6: Final answer
    x = 2,051.89

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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.