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Finding the Fourth Proportional to 6,874.80, 9,463.14 and 5,989.07

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Solution

The fourth proportional to 6,874.80, 9,463.14 and 5,989.07 is: 8,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.80 : 9,463.14 = 5,989.07 : x
  2. Step 2: Convert to fraction form
    6,874.80/9,463.14 = 5,989.07/x
  3. Step 3: Cross multiply
    6,874.80x = 9,463.14 × 5,989.07
  4. Step 4: Simplify right side
    6,874.80x = 56,675,360.56
  5. Step 5: Solve for x
    x = 56,675,360.56/6,874.80
  6. Step 6: Final answer
    x = 8,243.93

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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.