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Finding the Fourth Proportional to 6,504.12, 9,761.22 and 4,419

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Solution

The fourth proportional to 6,504.12, 9,761.22 and 4,419 is: 6,631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,504.12 : 9,761.22 = 4,419 : x
  2. Step 2: Convert to fraction form
    6,504.12/9,761.22 = 4,419/x
  3. Step 3: Cross multiply
    6,504.12x = 9,761.22 × 4,419
  4. Step 4: Simplify right side
    6,504.12x = 43,134,831.18
  5. Step 5: Solve for x
    x = 43,134,831.18/6,504.12
  6. Step 6: Final answer
    x = 6,631.92

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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.