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Finding the Fourth Proportional to 3,149.94, 4,724.95 and 1,097.94

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Solution

The fourth proportional to 3,149.94, 4,724.95 and 1,097.94 is: 1,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.94 : 4,724.95 = 1,097.94 : x
  2. Step 2: Convert to fraction form
    3,149.94/4,724.95 = 1,097.94/x
  3. Step 3: Cross multiply
    3,149.94x = 4,724.95 × 1,097.94
  4. Step 4: Simplify right side
    3,149.94x = 5,187,711.60
  5. Step 5: Solve for x
    x = 5,187,711.60/3,149.94
  6. Step 6: Final answer
    x = 1,646.92

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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.