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Finding the Fourth Proportional to 16,659.29, 22,986.02 and 9,947.09

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Solution

The fourth proportional to 16,659.29, 22,986.02 and 9,947.09 is: 13,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,659.29 : 22,986.02 = 9,947.09 : x
  2. Step 2: Convert to fraction form
    16,659.29/22,986.02 = 9,947.09/x
  3. Step 3: Cross multiply
    16,659.29x = 22,986.02 × 9,947.09
  4. Step 4: Simplify right side
    16,659.29x = 228,644,009.68
  5. Step 5: Solve for x
    x = 228,644,009.68/16,659.29
  6. Step 6: Final answer
    x = 13,724.72

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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.