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Finding the Fourth Proportional to 3,551.07, 5,327.71 and 1,472.05

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Solution

The fourth proportional to 3,551.07, 5,327.71 and 1,472.05 is: 2,208.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.07 : 5,327.71 = 1,472.05 : x
  2. Step 2: Convert to fraction form
    3,551.07/5,327.71 = 1,472.05/x
  3. Step 3: Cross multiply
    3,551.07x = 5,327.71 × 1,472.05
  4. Step 4: Simplify right side
    3,551.07x = 7,842,648.15
  5. Step 5: Solve for x
    x = 7,842,648.15/3,551.07
  6. Step 6: Final answer
    x = 2,208.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.