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Finding the Fourth Proportional to 27,250.92, 37,609.63 and 15,314

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Solution

The fourth proportional to 27,250.92, 37,609.63 and 15,314 is: 21,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,250.92 : 37,609.63 = 15,314 : x
  2. Step 2: Convert to fraction form
    27,250.92/37,609.63 = 15,314/x
  3. Step 3: Cross multiply
    27,250.92x = 37,609.63 × 15,314
  4. Step 4: Simplify right side
    27,250.92x = 575,953,873.82
  5. Step 5: Solve for x
    x = 575,953,873.82/27,250.92
  6. Step 6: Final answer
    x = 21,135.21

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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.