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Finding the Fourth Proportional to 8,708.79, 13,040.01 and 5,940.93

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Solution

The fourth proportional to 8,708.79, 13,040.01 and 5,940.93 is: 8,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.79 : 13,040.01 = 5,940.93 : x
  2. Step 2: Convert to fraction form
    8,708.79/13,040.01 = 5,940.93/x
  3. Step 3: Cross multiply
    8,708.79x = 13,040.01 × 5,940.93
  4. Step 4: Simplify right side
    8,708.79x = 77,469,786.61
  5. Step 5: Solve for x
    x = 77,469,786.61/8,708.79
  6. Step 6: Final answer
    x = 8,895.59

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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.