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Finding the Fourth Proportional to 27,313.20, 40,921.20 and 23,425.20

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Solution

The fourth proportional to 27,313.20, 40,921.20 and 23,425.20 is: 35,096.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.20 : 40,921.20 = 23,425.20 : x
  2. Step 2: Convert to fraction form
    27,313.20/40,921.20 = 23,425.20/x
  3. Step 3: Cross multiply
    27,313.20x = 40,921.20 × 23,425.20
  4. Step 4: Simplify right side
    27,313.20x = 958,587,294.24
  5. Step 5: Solve for x
    x = 958,587,294.24/27,313.20
  6. Step 6: Final answer
    x = 35,096.12

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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.