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Finding the Fourth Proportional to 29,561.50, 40,794.89 and 22,014.33

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Solution

The fourth proportional to 29,561.50, 40,794.89 and 22,014.33 is: 30,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,561.50 : 40,794.89 = 22,014.33 : x
  2. Step 2: Convert to fraction form
    29,561.50/40,794.89 = 22,014.33/x
  3. Step 3: Cross multiply
    29,561.50x = 40,794.89 × 22,014.33
  4. Step 4: Simplify right side
    29,561.50x = 898,072,170.77
  5. Step 5: Solve for x
    x = 898,072,170.77/29,561.50
  6. Step 6: Final answer
    x = 30,379.79

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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.