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Finding the Fourth Proportional to 1,849.28, 2,774.04 and 550.64

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Solution

The fourth proportional to 1,849.28, 2,774.04 and 550.64 is: 826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.28 : 2,774.04 = 550.64 : x
  2. Step 2: Convert to fraction form
    1,849.28/2,774.04 = 550.64/x
  3. Step 3: Cross multiply
    1,849.28x = 2,774.04 × 550.64
  4. Step 4: Simplify right side
    1,849.28x = 1,527,497.39
  5. Step 5: Solve for x
    x = 1,527,497.39/1,849.28
  6. Step 6: Final answer
    x = 826.00

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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.