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Finding the Fourth Proportional to 18,589.13, 27,877.94 and 6,274.25

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Solution

The fourth proportional to 18,589.13, 27,877.94 and 6,274.25 is: 9,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.13 : 27,877.94 = 6,274.25 : x
  2. Step 2: Convert to fraction form
    18,589.13/27,877.94 = 6,274.25/x
  3. Step 3: Cross multiply
    18,589.13x = 27,877.94 × 6,274.25
  4. Step 4: Simplify right side
    18,589.13x = 174,913,133.67
  5. Step 5: Solve for x
    x = 174,913,133.67/18,589.13
  6. Step 6: Final answer
    x = 9,409.43

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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.