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Finding the Fourth Proportional to 10,873.71, 14,996.34 and 8,361.90

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Solution

The fourth proportional to 10,873.71, 14,996.34 and 8,361.90 is: 11,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.71 : 14,996.34 = 8,361.90 : x
  2. Step 2: Convert to fraction form
    10,873.71/14,996.34 = 8,361.90/x
  3. Step 3: Cross multiply
    10,873.71x = 14,996.34 × 8,361.90
  4. Step 4: Simplify right side
    10,873.71x = 125,397,895.45
  5. Step 5: Solve for x
    x = 125,397,895.45/10,873.71
  6. Step 6: Final answer
    x = 11,532.21

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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.