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Finding the Fourth Proportional to 62,642.82, 93,940.92 and 27,109.29

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Solution

The fourth proportional to 62,642.82, 93,940.92 and 27,109.29 is: 40,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,642.82 : 93,940.92 = 27,109.29 : x
  2. Step 2: Convert to fraction form
    62,642.82/93,940.92 = 27,109.29/x
  3. Step 3: Cross multiply
    62,642.82x = 93,940.92 × 27,109.29
  4. Step 4: Simplify right side
    62,642.82x = 2,546,671,643.15
  5. Step 5: Solve for x
    x = 2,546,671,643.15/62,642.82
  6. Step 6: Final answer
    x = 40,653.85

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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.