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Finding the Fourth Proportional to 18,606.84, 27,877.44 and 9,822.36

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Solution

The fourth proportional to 18,606.84, 27,877.44 and 9,822.36 is: 14,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.84 : 27,877.44 = 9,822.36 : x
  2. Step 2: Convert to fraction form
    18,606.84/27,877.44 = 9,822.36/x
  3. Step 3: Cross multiply
    18,606.84x = 27,877.44 × 9,822.36
  4. Step 4: Simplify right side
    18,606.84x = 273,822,251.56
  5. Step 5: Solve for x
    x = 273,822,251.56/18,606.84
  6. Step 6: Final answer
    x = 14,716.21

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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.