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Finding the Fourth Proportional to 2,008.38, 2,771.83 and 1,124.37

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Solution

The fourth proportional to 2,008.38, 2,771.83 and 1,124.37 is: 1,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.38 : 2,771.83 = 1,124.37 : x
  2. Step 2: Convert to fraction form
    2,008.38/2,771.83 = 1,124.37/x
  3. Step 3: Cross multiply
    2,008.38x = 2,771.83 × 1,124.37
  4. Step 4: Simplify right side
    2,008.38x = 3,116,547.18
  5. Step 5: Solve for x
    x = 3,116,547.18/2,008.38
  6. Step 6: Final answer
    x = 1,551.77

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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.