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Finding the Fourth Proportional to 3,364.50, 4,643.01 and 1,892.50

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Solution

The fourth proportional to 3,364.50, 4,643.01 and 1,892.50 is: 2,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.50 : 4,643.01 = 1,892.50 : x
  2. Step 2: Convert to fraction form
    3,364.50/4,643.01 = 1,892.50/x
  3. Step 3: Cross multiply
    3,364.50x = 4,643.01 × 1,892.50
  4. Step 4: Simplify right side
    3,364.50x = 8,786,896.43
  5. Step 5: Solve for x
    x = 8,786,896.43/3,364.50
  6. Step 6: Final answer
    x = 2,611.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.