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Finding the Fourth Proportional to 15,013.52, 22,513.59 and 7,992.03

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Solution

The fourth proportional to 15,013.52, 22,513.59 and 7,992.03 is: 11,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013.52 : 22,513.59 = 7,992.03 : x
  2. Step 2: Convert to fraction form
    15,013.52/22,513.59 = 7,992.03/x
  3. Step 3: Cross multiply
    15,013.52x = 22,513.59 × 7,992.03
  4. Step 4: Simplify right side
    15,013.52x = 179,929,286.69
  5. Step 5: Solve for x
    x = 179,929,286.69/15,013.52
  6. Step 6: Final answer
    x = 11,984.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.