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Finding the Fourth Proportional to 18,451.60, 27,677.46 and 4,600.60

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Solution

The fourth proportional to 18,451.60, 27,677.46 and 4,600.60 is: 6,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.60 : 27,677.46 = 4,600.60 : x
  2. Step 2: Convert to fraction form
    18,451.60/27,677.46 = 4,600.60/x
  3. Step 3: Cross multiply
    18,451.60x = 27,677.46 × 4,600.60
  4. Step 4: Simplify right side
    18,451.60x = 127,332,922.48
  5. Step 5: Solve for x
    x = 127,332,922.48/18,451.60
  6. Step 6: Final answer
    x = 6,900.91

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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.