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Finding the Fourth Proportional to 27,251.30, 37,604.47 and 15,313.70

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Solution

The fourth proportional to 27,251.30, 37,604.47 and 15,313.70 is: 21,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,251.30 : 37,604.47 = 15,313.70 : x
  2. Step 2: Convert to fraction form
    27,251.30/37,604.47 = 15,313.70/x
  3. Step 3: Cross multiply
    27,251.30x = 37,604.47 × 15,313.70
  4. Step 4: Simplify right side
    27,251.30x = 575,863,572.24
  5. Step 5: Solve for x
    x = 575,863,572.24/27,251.30
  6. Step 6: Final answer
    x = 21,131.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.