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Finding the Fourth Proportional to 18,662.84, 27,857.72 and 16,448.58

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Solution

The fourth proportional to 18,662.84, 27,857.72 and 16,448.58 is: 24,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662.84 : 27,857.72 = 16,448.58 : x
  2. Step 2: Convert to fraction form
    18,662.84/27,857.72 = 16,448.58/x
  3. Step 3: Cross multiply
    18,662.84x = 27,857.72 × 16,448.58
  4. Step 4: Simplify right side
    18,662.84x = 458,219,936.04
  5. Step 5: Solve for x
    x = 458,219,936.04/18,662.84
  6. Step 6: Final answer
    x = 24,552.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.