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Finding the Fourth Proportional to 72,808.44, 109,212.56 and 22,892.92

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Solution

The fourth proportional to 72,808.44, 109,212.56 and 22,892.92 is: 34,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,808.44 : 109,212.56 = 22,892.92 : x
  2. Step 2: Convert to fraction form
    72,808.44/109,212.56 = 22,892.92/x
  3. Step 3: Cross multiply
    72,808.44x = 109,212.56 × 22,892.92
  4. Step 4: Simplify right side
    72,808.44x = 2,500,194,399.08
  5. Step 5: Solve for x
    x = 2,500,194,399.08/72,808.44
  6. Step 6: Final answer
    x = 34,339.35

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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.