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Finding the Fourth Proportional to 18,273.64, 27,401.07 and 8,914.06

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Solution

The fourth proportional to 18,273.64, 27,401.07 and 8,914.06 is: 13,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.64 : 27,401.07 = 8,914.06 : x
  2. Step 2: Convert to fraction form
    18,273.64/27,401.07 = 8,914.06/x
  3. Step 3: Cross multiply
    18,273.64x = 27,401.07 × 8,914.06
  4. Step 4: Simplify right side
    18,273.64x = 244,254,782.04
  5. Step 5: Solve for x
    x = 244,254,782.04/18,273.64
  6. Step 6: Final answer
    x = 13,366.51

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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.