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Finding the Fourth Proportional to 2,913.02, 4,369.17 and 1,179.98

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Solution

The fourth proportional to 2,913.02, 4,369.17 and 1,179.98 is: 1,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.02 : 4,369.17 = 1,179.98 : x
  2. Step 2: Convert to fraction form
    2,913.02/4,369.17 = 1,179.98/x
  3. Step 3: Cross multiply
    2,913.02x = 4,369.17 × 1,179.98
  4. Step 4: Simplify right side
    2,913.02x = 5,155,533.22
  5. Step 5: Solve for x
    x = 5,155,533.22/2,913.02
  6. Step 6: Final answer
    x = 1,769.82

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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.