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Finding the Fourth Proportional to 16,699.91, 25,051.08 and 6,839.24

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Solution

The fourth proportional to 16,699.91, 25,051.08 and 6,839.24 is: 10,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,699.91 : 25,051.08 = 6,839.24 : x
  2. Step 2: Convert to fraction form
    16,699.91/25,051.08 = 6,839.24/x
  3. Step 3: Cross multiply
    16,699.91x = 25,051.08 × 6,839.24
  4. Step 4: Simplify right side
    16,699.91x = 171,330,348.38
  5. Step 5: Solve for x
    x = 171,330,348.38/16,699.91
  6. Step 6: Final answer
    x = 10,259.36

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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.