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Finding the Fourth Proportional to 10,610.73, 15,906.71 and 9,060.66

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Solution

The fourth proportional to 10,610.73, 15,906.71 and 9,060.66 is: 13,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.73 : 15,906.71 = 9,060.66 : x
  2. Step 2: Convert to fraction form
    10,610.73/15,906.71 = 9,060.66/x
  3. Step 3: Cross multiply
    10,610.73x = 15,906.71 × 9,060.66
  4. Step 4: Simplify right side
    10,610.73x = 144,125,313.68
  5. Step 5: Solve for x
    x = 144,125,313.68/10,610.73
  6. Step 6: Final answer
    x = 13,582.98

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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.