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Finding the Fourth Proportional to 5,313.44, 7,972.68 and 2,850.32

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Solution

The fourth proportional to 5,313.44, 7,972.68 and 2,850.32 is: 4,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.44 : 7,972.68 = 2,850.32 : x
  2. Step 2: Convert to fraction form
    5,313.44/7,972.68 = 2,850.32/x
  3. Step 3: Cross multiply
    5,313.44x = 7,972.68 × 2,850.32
  4. Step 4: Simplify right side
    5,313.44x = 22,724,689.26
  5. Step 5: Solve for x
    x = 22,724,689.26/5,313.44
  6. Step 6: Final answer
    x = 4,276.83

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1.5x scale

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.