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Finding the Fourth Proportional to 22,659.96, 33,971.22 and 10,000.70

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Solution

The fourth proportional to 22,659.96, 33,971.22 and 10,000.70 is: 14,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.96 : 33,971.22 = 10,000.70 : x
  2. Step 2: Convert to fraction form
    22,659.96/33,971.22 = 10,000.70/x
  3. Step 3: Cross multiply
    22,659.96x = 33,971.22 × 10,000.70
  4. Step 4: Simplify right side
    22,659.96x = 339,735,979.85
  5. Step 5: Solve for x
    x = 339,735,979.85/22,659.96
  6. Step 6: Final answer
    x = 14,992.79

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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.