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Finding the Fourth Proportional to 14,710.49, 20,300.87 and 7,996.57

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Solution

The fourth proportional to 14,710.49, 20,300.87 and 7,996.57 is: 11,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.49 : 20,300.87 = 7,996.57 : x
  2. Step 2: Convert to fraction form
    14,710.49/20,300.87 = 7,996.57/x
  3. Step 3: Cross multiply
    14,710.49x = 20,300.87 × 7,996.57
  4. Step 4: Simplify right side
    14,710.49x = 162,337,267.27
  5. Step 5: Solve for x
    x = 162,337,267.27/14,710.49
  6. Step 6: Final answer
    x = 11,035.48

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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.