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Finding the Fourth Proportional to 27,384.99, 37,793.03 and 15,443.97

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Solution

The fourth proportional to 27,384.99, 37,793.03 and 15,443.97 is: 21,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,384.99 : 37,793.03 = 15,443.97 : x
  2. Step 2: Convert to fraction form
    27,384.99/37,793.03 = 15,443.97/x
  3. Step 3: Cross multiply
    27,384.99x = 37,793.03 × 15,443.97
  4. Step 4: Simplify right side
    27,384.99x = 583,674,289.46
  5. Step 5: Solve for x
    x = 583,674,289.46/27,384.99
  6. Step 6: Final answer
    x = 21,313.66

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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.