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Finding the Fourth Proportional to 72,809.15, 109,213.64 and 22,893.62

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Solution

The fourth proportional to 72,809.15, 109,213.64 and 22,893.62 is: 34,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,809.15 : 109,213.64 = 22,893.62 : x
  2. Step 2: Convert to fraction form
    72,809.15/109,213.64 = 22,893.62/x
  3. Step 3: Cross multiply
    72,809.15x = 109,213.64 × 22,893.62
  4. Step 4: Simplify right side
    72,809.15x = 2,500,294,912.44
  5. Step 5: Solve for x
    x = 2,500,294,912.44/72,809.15
  6. Step 6: Final answer
    x = 34,340.39

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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.