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Finding the Fourth Proportional to 3,551.94, 5,327.73 and 954.90

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Solution

The fourth proportional to 3,551.94, 5,327.73 and 954.90 is: 1,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.94 : 5,327.73 = 954.90 : x
  2. Step 2: Convert to fraction form
    3,551.94/5,327.73 = 954.90/x
  3. Step 3: Cross multiply
    3,551.94x = 5,327.73 × 954.90
  4. Step 4: Simplify right side
    3,551.94x = 5,087,449.38
  5. Step 5: Solve for x
    x = 5,087,449.38/3,551.94
  6. Step 6: Final answer
    x = 1,432.30

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Why These Related Problems?

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