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Finding the Fourth Proportional to 62,943.84, 94,392 and 18,558

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Solution

The fourth proportional to 62,943.84, 94,392 and 18,558 is: 27,829.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,943.84 : 94,392 = 18,558 : x
  2. Step 2: Convert to fraction form
    62,943.84/94,392 = 18,558/x
  3. Step 3: Cross multiply
    62,943.84x = 94,392 × 18,558
  4. Step 4: Simplify right side
    62,943.84x = 1,751,726,736
  5. Step 5: Solve for x
    x = 1,751,726,736/62,943.84
  6. Step 6: Final answer
    x = 27,829.99

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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.