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Finding the Fourth Proportional to 6,818.67, 9,414.50 and 5,250.51

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Solution

The fourth proportional to 6,818.67, 9,414.50 and 5,250.51 is: 7,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.67 : 9,414.50 = 5,250.51 : x
  2. Step 2: Convert to fraction form
    6,818.67/9,414.50 = 5,250.51/x
  3. Step 3: Cross multiply
    6,818.67x = 9,414.50 × 5,250.51
  4. Step 4: Simplify right side
    6,818.67x = 49,430,900.14
  5. Step 5: Solve for x
    x = 49,430,900.14/6,818.67
  6. Step 6: Final answer
    x = 7,249.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.