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Finding the Fourth Proportional to 3,551.65, 5,327.47 and 954.59

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Solution

The fourth proportional to 3,551.65, 5,327.47 and 954.59 is: 1,431.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.65 : 5,327.47 = 954.59 : x
  2. Step 2: Convert to fraction form
    3,551.65/5,327.47 = 954.59/x
  3. Step 3: Cross multiply
    3,551.65x = 5,327.47 × 954.59
  4. Step 4: Simplify right side
    3,551.65x = 5,085,533.88
  5. Step 5: Solve for x
    x = 5,085,533.88/3,551.65
  6. Step 6: Final answer
    x = 1,431.88

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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.