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Finding the Fourth Proportional to 39,954.92, 59,940.06 and 15,329

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Solution

The fourth proportional to 39,954.92, 59,940.06 and 15,329 is: 22,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.92 : 59,940.06 = 15,329 : x
  2. Step 2: Convert to fraction form
    39,954.92/59,940.06 = 15,329/x
  3. Step 3: Cross multiply
    39,954.92x = 59,940.06 × 15,329
  4. Step 4: Simplify right side
    39,954.92x = 918,821,179.74
  5. Step 5: Solve for x
    x = 918,821,179.74/39,954.92
  6. Step 6: Final answer
    x = 22,996.45

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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.