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Finding the Fourth Proportional to 2,665.33, 3,678.02 and 1,486.47

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Solution

The fourth proportional to 2,665.33, 3,678.02 and 1,486.47 is: 2,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665.33 : 3,678.02 = 1,486.47 : x
  2. Step 2: Convert to fraction form
    2,665.33/3,678.02 = 1,486.47/x
  3. Step 3: Cross multiply
    2,665.33x = 3,678.02 × 1,486.47
  4. Step 4: Simplify right side
    2,665.33x = 5,467,240.57
  5. Step 5: Solve for x
    x = 5,467,240.57/2,665.33
  6. Step 6: Final answer
    x = 2,051.24

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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.