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Finding the Fourth Proportional to 8,476.53, 12,706.36 and 4,026.39

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Solution

The fourth proportional to 8,476.53, 12,706.36 and 4,026.39 is: 6,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.53 : 12,706.36 = 4,026.39 : x
  2. Step 2: Convert to fraction form
    8,476.53/12,706.36 = 4,026.39/x
  3. Step 3: Cross multiply
    8,476.53x = 12,706.36 × 4,026.39
  4. Step 4: Simplify right side
    8,476.53x = 51,160,760.84
  5. Step 5: Solve for x
    x = 51,160,760.84/8,476.53
  6. Step 6: Final answer
    x = 6,035.58

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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.