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Finding the Fourth Proportional to 16,687.92, 23,027.06 and 9,972.13

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Solution

The fourth proportional to 16,687.92, 23,027.06 and 9,972.13 is: 13,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.92 : 23,027.06 = 9,972.13 : x
  2. Step 2: Convert to fraction form
    16,687.92/23,027.06 = 9,972.13/x
  3. Step 3: Cross multiply
    16,687.92x = 23,027.06 × 9,972.13
  4. Step 4: Simplify right side
    16,687.92x = 229,628,835.84
  5. Step 5: Solve for x
    x = 229,628,835.84/16,687.92
  6. Step 6: Final answer
    x = 13,760.18

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1.5x scale

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.