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Finding the Fourth Proportional to 27,133.77, 37,444.71 and 15,811.03

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Solution

The fourth proportional to 27,133.77, 37,444.71 and 15,811.03 is: 21,819.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.77 : 37,444.71 = 15,811.03 : x
  2. Step 2: Convert to fraction form
    27,133.77/37,444.71 = 15,811.03/x
  3. Step 3: Cross multiply
    27,133.77x = 37,444.71 × 15,811.03
  4. Step 4: Simplify right side
    27,133.77x = 592,039,433.15
  5. Step 5: Solve for x
    x = 592,039,433.15/27,133.77
  6. Step 6: Final answer
    x = 21,819.29

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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.