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Finding the Fourth Proportional to 27,013.37, 40,520.06 and 7,291.92

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Solution

The fourth proportional to 27,013.37, 40,520.06 and 7,291.92 is: 10,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,013.37 : 40,520.06 = 7,291.92 : x
  2. Step 2: Convert to fraction form
    27,013.37/40,520.06 = 7,291.92/x
  3. Step 3: Cross multiply
    27,013.37x = 40,520.06 × 7,291.92
  4. Step 4: Simplify right side
    27,013.37x = 295,468,999.46
  5. Step 5: Solve for x
    x = 295,468,999.46/27,013.37
  6. Step 6: Final answer
    x = 10,937.88

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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.