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Finding the Fourth Proportional to 8,476.32, 12,717.48 and 3,795.96

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Solution

The fourth proportional to 8,476.32, 12,717.48 and 3,795.96 is: 5,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.32 : 12,717.48 = 3,795.96 : x
  2. Step 2: Convert to fraction form
    8,476.32/12,717.48 = 3,795.96/x
  3. Step 3: Cross multiply
    8,476.32x = 12,717.48 × 3,795.96
  4. Step 4: Simplify right side
    8,476.32x = 48,275,045.38
  5. Step 5: Solve for x
    x = 48,275,045.38/8,476.32
  6. Step 6: Final answer
    x = 5,695.28

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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.