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Finding the Fourth Proportional to 19,950.72, 29,906.52 and 16,995.84

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Solution

The fourth proportional to 19,950.72, 29,906.52 and 16,995.84 is: 25,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.72 : 29,906.52 = 16,995.84 : x
  2. Step 2: Convert to fraction form
    19,950.72/29,906.52 = 16,995.84/x
  3. Step 3: Cross multiply
    19,950.72x = 29,906.52 × 16,995.84
  4. Step 4: Simplify right side
    19,950.72x = 508,286,428.88
  5. Step 5: Solve for x
    x = 508,286,428.88/19,950.72
  6. Step 6: Final answer
    x = 25,477.10

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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.