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Finding the Fourth Proportional to 18,601.93, 27,903.48 and 6,758.11

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Solution

The fourth proportional to 18,601.93, 27,903.48 and 6,758.11 is: 10,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.93 : 27,903.48 = 6,758.11 : x
  2. Step 2: Convert to fraction form
    18,601.93/27,903.48 = 6,758.11/x
  3. Step 3: Cross multiply
    18,601.93x = 27,903.48 × 6,758.11
  4. Step 4: Simplify right side
    18,601.93x = 188,574,787.22
  5. Step 5: Solve for x
    x = 188,574,787.22/18,601.93
  6. Step 6: Final answer
    x = 10,137.38

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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.