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Finding the Fourth Proportional to 18,606.87, 27,914.86 and 9,251.29

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Solution

The fourth proportional to 18,606.87, 27,914.86 and 9,251.29 is: 13,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.87 : 27,914.86 = 9,251.29 : x
  2. Step 2: Convert to fraction form
    18,606.87/27,914.86 = 9,251.29/x
  3. Step 3: Cross multiply
    18,606.87x = 27,914.86 × 9,251.29
  4. Step 4: Simplify right side
    18,606.87x = 258,248,465.17
  5. Step 5: Solve for x
    x = 258,248,465.17/18,606.87
  6. Step 6: Final answer
    x = 13,879.20

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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.