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Finding the Fourth Proportional to 18,258.17, 27,255.17 and 16,043.83

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Solution

The fourth proportional to 18,258.17, 27,255.17 and 16,043.83 is: 23,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.17 : 27,255.17 = 16,043.83 : x
  2. Step 2: Convert to fraction form
    18,258.17/27,255.17 = 16,043.83/x
  3. Step 3: Cross multiply
    18,258.17x = 27,255.17 × 16,043.83
  4. Step 4: Simplify right side
    18,258.17x = 437,277,314.10
  5. Step 5: Solve for x
    x = 437,277,314.10/18,258.17
  6. Step 6: Final answer
    x = 23,949.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.