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Finding the Fourth Proportional to 17,903.97, 24,699.53 and 11,929.82

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Solution

The fourth proportional to 17,903.97, 24,699.53 and 11,929.82 is: 16,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,903.97 : 24,699.53 = 11,929.82 : x
  2. Step 2: Convert to fraction form
    17,903.97/24,699.53 = 11,929.82/x
  3. Step 3: Cross multiply
    17,903.97x = 24,699.53 × 11,929.82
  4. Step 4: Simplify right side
    17,903.97x = 294,660,853.31
  5. Step 5: Solve for x
    x = 294,660,853.31/17,903.97
  6. Step 6: Final answer
    x = 16,457.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.