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Finding the Fourth Proportional to 20,016.59, 27,608.59 and 15,292.67

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Solution

The fourth proportional to 20,016.59, 27,608.59 and 15,292.67 is: 21,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.59 : 27,608.59 = 15,292.67 : x
  2. Step 2: Convert to fraction form
    20,016.59/27,608.59 = 15,292.67/x
  3. Step 3: Cross multiply
    20,016.59x = 27,608.59 × 15,292.67
  4. Step 4: Simplify right side
    20,016.59x = 422,209,056.04
  5. Step 5: Solve for x
    x = 422,209,056.04/20,016.59
  6. Step 6: Final answer
    x = 21,092.96

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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.