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Finding the Fourth Proportional to 10,481.73, 15,708.71 and 7,695.37

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Solution

The fourth proportional to 10,481.73, 15,708.71 and 7,695.37 is: 11,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.73 : 15,708.71 = 7,695.37 : x
  2. Step 2: Convert to fraction form
    10,481.73/15,708.71 = 7,695.37/x
  3. Step 3: Cross multiply
    10,481.73x = 15,708.71 × 7,695.37
  4. Step 4: Simplify right side
    10,481.73x = 120,884,335.67
  5. Step 5: Solve for x
    x = 120,884,335.67/10,481.73
  6. Step 6: Final answer
    x = 11,532.86

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1.5x scale

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.