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Finding the Fourth Proportional to 34,568.99, 51,881.17 and 15,857.84

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Solution

The fourth proportional to 34,568.99, 51,881.17 and 15,857.84 is: 23,799.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,568.99 : 51,881.17 = 15,857.84 : x
  2. Step 2: Convert to fraction form
    34,568.99/51,881.17 = 15,857.84/x
  3. Step 3: Cross multiply
    34,568.99x = 51,881.17 × 15,857.84
  4. Step 4: Simplify right side
    34,568.99x = 822,723,292.87
  5. Step 5: Solve for x
    x = 822,723,292.87/34,568.99
  6. Step 6: Final answer
    x = 23,799.46

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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.