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Finding the Fourth Proportional to 37,084.80, 51,176.16 and 20,317.44

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Solution

The fourth proportional to 37,084.80, 51,176.16 and 20,317.44 is: 28,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,084.80 : 51,176.16 = 20,317.44 : x
  2. Step 2: Convert to fraction form
    37,084.80/51,176.16 = 20,317.44/x
  3. Step 3: Cross multiply
    37,084.80x = 51,176.16 × 20,317.44
  4. Step 4: Simplify right side
    37,084.80x = 1,039,768,560.23
  5. Step 5: Solve for x
    x = 1,039,768,560.23/37,084.80
  6. Step 6: Final answer
    x = 28,037.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.