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Finding the Fourth Proportional to 22,107.60, 30,508.44 and 12,035.88

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Solution

The fourth proportional to 22,107.60, 30,508.44 and 12,035.88 is: 16,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.60 : 30,508.44 = 12,035.88 : x
  2. Step 2: Convert to fraction form
    22,107.60/30,508.44 = 12,035.88/x
  3. Step 3: Cross multiply
    22,107.60x = 30,508.44 × 12,035.88
  4. Step 4: Simplify right side
    22,107.60x = 367,195,922.83
  5. Step 5: Solve for x
    x = 367,195,922.83/22,107.60
  6. Step 6: Final answer
    x = 16,609.49

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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.