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Finding the Fourth Proportional to 4,572.87, 6,857.94 and 1,940.33

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Solution

The fourth proportional to 4,572.87, 6,857.94 and 1,940.33 is: 2,909.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.87 : 6,857.94 = 1,940.33 : x
  2. Step 2: Convert to fraction form
    4,572.87/6,857.94 = 1,940.33/x
  3. Step 3: Cross multiply
    4,572.87x = 6,857.94 × 1,940.33
  4. Step 4: Simplify right side
    4,572.87x = 13,306,657.02
  5. Step 5: Solve for x
    x = 13,306,657.02/4,572.87
  6. Step 6: Final answer
    x = 2,909.92

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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.