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Finding the Fourth Proportional to 16,687.97, 25,004.30 and 11,733.40

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Solution

The fourth proportional to 16,687.97, 25,004.30 and 11,733.40 is: 17,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.97 : 25,004.30 = 11,733.40 : x
  2. Step 2: Convert to fraction form
    16,687.97/25,004.30 = 11,733.40/x
  3. Step 3: Cross multiply
    16,687.97x = 25,004.30 × 11,733.40
  4. Step 4: Simplify right side
    16,687.97x = 293,385,420.44
  5. Step 5: Solve for x
    x = 293,385,420.44/16,687.97
  6. Step 6: Final answer
    x = 17,580.66

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1.5x scale

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.