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Finding the Fourth Proportional to 18,062.76, 27,095.64 and 4,735.73

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Solution

The fourth proportional to 18,062.76, 27,095.64 and 4,735.73 is: 7,103.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.76 : 27,095.64 = 4,735.73 : x
  2. Step 2: Convert to fraction form
    18,062.76/27,095.64 = 4,735.73/x
  3. Step 3: Cross multiply
    18,062.76x = 27,095.64 × 4,735.73
  4. Step 4: Simplify right side
    18,062.76x = 128,317,584.21
  5. Step 5: Solve for x
    x = 128,317,584.21/18,062.76
  6. Step 6: Final answer
    x = 7,103.99

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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.