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Finding the Fourth Proportional to 3,568.09, 5,352.12 and 971.02

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Solution

The fourth proportional to 3,568.09, 5,352.12 and 971.02 is: 1,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.09 : 5,352.12 = 971.02 : x
  2. Step 2: Convert to fraction form
    3,568.09/5,352.12 = 971.02/x
  3. Step 3: Cross multiply
    3,568.09x = 5,352.12 × 971.02
  4. Step 4: Simplify right side
    3,568.09x = 5,197,015.56
  5. Step 5: Solve for x
    x = 5,197,015.56/3,568.09
  6. Step 6: Final answer
    x = 1,456.53

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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.