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Finding the Fourth Proportional to 2,007.03, 2,769.73 and 1,122.89

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Solution

The fourth proportional to 2,007.03, 2,769.73 and 1,122.89 is: 1,549.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.03 : 2,769.73 = 1,122.89 : x
  2. Step 2: Convert to fraction form
    2,007.03/2,769.73 = 1,122.89/x
  3. Step 3: Cross multiply
    2,007.03x = 2,769.73 × 1,122.89
  4. Step 4: Simplify right side
    2,007.03x = 3,110,085.46
  5. Step 5: Solve for x
    x = 3,110,085.46/2,007.03
  6. Step 6: Final answer
    x = 1,549.59

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