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Finding the Fourth Proportional to 3,473.28, 4,793.28 and 2,076

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Solution

The fourth proportional to 3,473.28, 4,793.28 and 2,076 is: 2,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.28 : 4,793.28 = 2,076 : x
  2. Step 2: Convert to fraction form
    3,473.28/4,793.28 = 2,076/x
  3. Step 3: Cross multiply
    3,473.28x = 4,793.28 × 2,076
  4. Step 4: Simplify right side
    3,473.28x = 9,950,849.28
  5. Step 5: Solve for x
    x = 9,950,849.28/3,473.28
  6. Step 6: Final answer
    x = 2,864.97

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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.