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Finding the Fourth Proportional to 16,639.31, 24,952.03 and 6,771.89

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Solution

The fourth proportional to 16,639.31, 24,952.03 and 6,771.89 is: 10,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.31 : 24,952.03 = 6,771.89 : x
  2. Step 2: Convert to fraction form
    16,639.31/24,952.03 = 6,771.89/x
  3. Step 3: Cross multiply
    16,639.31x = 24,952.03 × 6,771.89
  4. Step 4: Simplify right side
    16,639.31x = 168,972,243.82
  5. Step 5: Solve for x
    x = 168,972,243.82/16,639.31
  6. Step 6: Final answer
    x = 10,155.01

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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.