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Finding the Fourth Proportional to 17,606.54, 26,409.78 and 7,076.55

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Solution

The fourth proportional to 17,606.54, 26,409.78 and 7,076.55 is: 10,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,606.54 : 26,409.78 = 7,076.55 : x
  2. Step 2: Convert to fraction form
    17,606.54/26,409.78 = 7,076.55/x
  3. Step 3: Cross multiply
    17,606.54x = 26,409.78 × 7,076.55
  4. Step 4: Simplify right side
    17,606.54x = 186,890,128.66
  5. Step 5: Solve for x
    x = 186,890,128.66/17,606.54
  6. Step 6: Final answer
    x = 10,614.82

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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.