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Finding the Fourth Proportional to 17,931.63, 24,750.86 and 11,963.29

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Solution

The fourth proportional to 17,931.63, 24,750.86 and 11,963.29 is: 16,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.63 : 24,750.86 = 11,963.29 : x
  2. Step 2: Convert to fraction form
    17,931.63/24,750.86 = 11,963.29/x
  3. Step 3: Cross multiply
    17,931.63x = 24,750.86 × 11,963.29
  4. Step 4: Simplify right side
    17,931.63x = 296,101,622.08
  5. Step 5: Solve for x
    x = 296,101,622.08/17,931.63
  6. Step 6: Final answer
    x = 16,512.81

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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.