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Finding the Fourth Proportional to 19,609.92, 27,062.52 and 11,652.96

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Solution

The fourth proportional to 19,609.92, 27,062.52 and 11,652.96 is: 16,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.92 : 27,062.52 = 11,652.96 : x
  2. Step 2: Convert to fraction form
    19,609.92/27,062.52 = 11,652.96/x
  3. Step 3: Cross multiply
    19,609.92x = 27,062.52 × 11,652.96
  4. Step 4: Simplify right side
    19,609.92x = 315,358,463.06
  5. Step 5: Solve for x
    x = 315,358,463.06/19,609.92
  6. Step 6: Final answer
    x = 16,081.58

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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.