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Finding the Fourth Proportional to 26,978.52, 40,467.30 and 10,334.04

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Solution

The fourth proportional to 26,978.52, 40,467.30 and 10,334.04 is: 15,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,978.52 : 40,467.30 = 10,334.04 : x
  2. Step 2: Convert to fraction form
    26,978.52/40,467.30 = 10,334.04/x
  3. Step 3: Cross multiply
    26,978.52x = 40,467.30 × 10,334.04
  4. Step 4: Simplify right side
    26,978.52x = 418,190,696.89
  5. Step 5: Solve for x
    x = 418,190,696.89/26,978.52
  6. Step 6: Final answer
    x = 15,500.88

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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.