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Finding the Fourth Proportional to 5,250.67, 7,876.16 and 1,963.14

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Solution

The fourth proportional to 5,250.67, 7,876.16 and 1,963.14 is: 2,944.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.67 : 7,876.16 = 1,963.14 : x
  2. Step 2: Convert to fraction form
    5,250.67/7,876.16 = 1,963.14/x
  3. Step 3: Cross multiply
    5,250.67x = 7,876.16 × 1,963.14
  4. Step 4: Simplify right side
    5,250.67x = 15,461,978.27
  5. Step 5: Solve for x
    x = 15,461,978.27/5,250.67
  6. Step 6: Final answer
    x = 2,944.76

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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.