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Finding the Fourth Proportional to 8,305.46, 12,461.63 and 3,373.86

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Solution

The fourth proportional to 8,305.46, 12,461.63 and 3,373.86 is: 5,062.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.46 : 12,461.63 = 3,373.86 : x
  2. Step 2: Convert to fraction form
    8,305.46/12,461.63 = 3,373.86/x
  3. Step 3: Cross multiply
    8,305.46x = 12,461.63 × 3,373.86
  4. Step 4: Simplify right side
    8,305.46x = 42,043,794.99
  5. Step 5: Solve for x
    x = 42,043,794.99/8,305.46
  6. Step 6: Final answer
    x = 5,062.19

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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.