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Finding the Fourth Proportional to 3,368.76, 5,049.04 and 1,519.38

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Solution

The fourth proportional to 3,368.76, 5,049.04 and 1,519.38 is: 2,277.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.76 : 5,049.04 = 1,519.38 : x
  2. Step 2: Convert to fraction form
    3,368.76/5,049.04 = 1,519.38/x
  3. Step 3: Cross multiply
    3,368.76x = 5,049.04 × 1,519.38
  4. Step 4: Simplify right side
    3,368.76x = 7,671,410.40
  5. Step 5: Solve for x
    x = 7,671,410.40/3,368.76
  6. Step 6: Final answer
    x = 2,277.22

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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.