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Finding the Fourth Proportional to 10,150.90, 14,007.82 and 5,901.78

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Solution

The fourth proportional to 10,150.90, 14,007.82 and 5,901.78 is: 8,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.90 : 14,007.82 = 5,901.78 : x
  2. Step 2: Convert to fraction form
    10,150.90/14,007.82 = 5,901.78/x
  3. Step 3: Cross multiply
    10,150.90x = 14,007.82 × 5,901.78
  4. Step 4: Simplify right side
    10,150.90x = 82,671,057.17
  5. Step 5: Solve for x
    x = 82,671,057.17/10,150.90
  6. Step 6: Final answer
    x = 8,144.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.