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Finding the Fourth Proportional to 18,462.88, 27,569.03 and 14,671.99

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Solution

The fourth proportional to 18,462.88, 27,569.03 and 14,671.99 is: 21,908.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.88 : 27,569.03 = 14,671.99 : x
  2. Step 2: Convert to fraction form
    18,462.88/27,569.03 = 14,671.99/x
  3. Step 3: Cross multiply
    18,462.88x = 27,569.03 × 14,671.99
  4. Step 4: Simplify right side
    18,462.88x = 404,492,532.47
  5. Step 5: Solve for x
    x = 404,492,532.47/18,462.88
  6. Step 6: Final answer
    x = 21,908.42

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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.