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Finding the Fourth Proportional to 34,896.66, 52,344.31 and 9,936.87

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Solution

The fourth proportional to 34,896.66, 52,344.31 and 9,936.87 is: 14,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,896.66 : 52,344.31 = 9,936.87 : x
  2. Step 2: Convert to fraction form
    34,896.66/52,344.31 = 9,936.87/x
  3. Step 3: Cross multiply
    34,896.66x = 52,344.31 × 9,936.87
  4. Step 4: Simplify right side
    34,896.66x = 520,138,603.71
  5. Step 5: Solve for x
    x = 520,138,603.71/34,896.66
  6. Step 6: Final answer
    x = 14,905.11

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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.