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Finding the Fourth Proportional to 72,211.44, 108,327.48 and 22,295.64

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Solution

The fourth proportional to 72,211.44, 108,327.48 and 22,295.64 is: 33,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,211.44 : 108,327.48 = 22,295.64 : x
  2. Step 2: Convert to fraction form
    72,211.44/108,327.48 = 22,295.64/x
  3. Step 3: Cross multiply
    72,211.44x = 108,327.48 × 22,295.64
  4. Step 4: Simplify right side
    72,211.44x = 2,415,230,496.19
  5. Step 5: Solve for x
    x = 2,415,230,496.19/72,211.44
  6. Step 6: Final answer
    x = 33,446.65

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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.