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Finding the Fourth Proportional to 3,551.48, 5,326.50 and 954.44

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Solution

The fourth proportional to 3,551.48, 5,326.50 and 954.44 is: 1,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.48 : 5,326.50 = 954.44 : x
  2. Step 2: Convert to fraction form
    3,551.48/5,326.50 = 954.44/x
  3. Step 3: Cross multiply
    3,551.48x = 5,326.50 × 954.44
  4. Step 4: Simplify right side
    3,551.48x = 5,083,824.66
  5. Step 5: Solve for x
    x = 5,083,824.66/3,551.48
  6. Step 6: Final answer
    x = 1,431.47

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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.