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Finding the Fourth Proportional to 3,182.40, 4,773.60 and 3,012.30

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Solution

The fourth proportional to 3,182.40, 4,773.60 and 3,012.30 is: 4,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.40 : 4,773.60 = 3,012.30 : x
  2. Step 2: Convert to fraction form
    3,182.40/4,773.60 = 3,012.30/x
  3. Step 3: Cross multiply
    3,182.40x = 4,773.60 × 3,012.30
  4. Step 4: Simplify right side
    3,182.40x = 14,379,515.28
  5. Step 5: Solve for x
    x = 14,379,515.28/3,182.40
  6. Step 6: Final answer
    x = 4,518.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.