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Finding the Fourth Proportional to 10,717.99, 16,076.99 and 5,789.95

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Solution

The fourth proportional to 10,717.99, 16,076.99 and 5,789.95 is: 8,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.99 : 16,076.99 = 5,789.95 : x
  2. Step 2: Convert to fraction form
    10,717.99/16,076.99 = 5,789.95/x
  3. Step 3: Cross multiply
    10,717.99x = 16,076.99 × 5,789.95
  4. Step 4: Simplify right side
    10,717.99x = 93,084,968.25
  5. Step 5: Solve for x
    x = 93,084,968.25/10,717.99
  6. Step 6: Final answer
    x = 8,684.93

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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.