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Finding the Fourth Proportional to 4,805.94, 7,209.80 and 1,519.86

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Solution

The fourth proportional to 4,805.94, 7,209.80 and 1,519.86 is: 2,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.94 : 7,209.80 = 1,519.86 : x
  2. Step 2: Convert to fraction form
    4,805.94/7,209.80 = 1,519.86/x
  3. Step 3: Cross multiply
    4,805.94x = 7,209.80 × 1,519.86
  4. Step 4: Simplify right side
    4,805.94x = 10,957,886.63
  5. Step 5: Solve for x
    x = 10,957,886.63/4,805.94
  6. Step 6: Final answer
    x = 2,280.07

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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.