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Finding the Fourth Proportional to 15,759.03, 21,747.55 and 9,044.48

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Solution

The fourth proportional to 15,759.03, 21,747.55 and 9,044.48 is: 12,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759.03 : 21,747.55 = 9,044.48 : x
  2. Step 2: Convert to fraction form
    15,759.03/21,747.55 = 9,044.48/x
  3. Step 3: Cross multiply
    15,759.03x = 21,747.55 × 9,044.48
  4. Step 4: Simplify right side
    15,759.03x = 196,695,346.70
  5. Step 5: Solve for x
    x = 196,695,346.70/15,759.03
  6. Step 6: Final answer
    x = 12,481.44

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1.5x scale

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.