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Finding the Fourth Proportional to 3,551.02, 5,326.09 and 954.16

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Solution

The fourth proportional to 3,551.02, 5,326.09 and 954.16 is: 1,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.02 : 5,326.09 = 954.16 : x
  2. Step 2: Convert to fraction form
    3,551.02/5,326.09 = 954.16/x
  3. Step 3: Cross multiply
    3,551.02x = 5,326.09 × 954.16
  4. Step 4: Simplify right side
    3,551.02x = 5,081,942.03
  5. Step 5: Solve for x
    x = 5,081,942.03/3,551.02
  6. Step 6: Final answer
    x = 1,431.12

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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.