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Finding the Fourth Proportional to 27,003.88, 37,263.64 and 15,068

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Solution

The fourth proportional to 27,003.88, 37,263.64 and 15,068 is: 20,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,003.88 : 37,263.64 = 15,068 : x
  2. Step 2: Convert to fraction form
    27,003.88/37,263.64 = 15,068/x
  3. Step 3: Cross multiply
    27,003.88x = 37,263.64 × 15,068
  4. Step 4: Simplify right side
    27,003.88x = 561,488,527.52
  5. Step 5: Solve for x
    x = 561,488,527.52/27,003.88
  6. Step 6: Final answer
    x = 20,792.88

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Why These Related Problems?

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