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Finding the Fourth Proportional to 17,029.71, 25,544.53 and 5,343.84

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Solution

The fourth proportional to 17,029.71, 25,544.53 and 5,343.84 is: 8,015.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,029.71 : 25,544.53 = 5,343.84 : x
  2. Step 2: Convert to fraction form
    17,029.71/25,544.53 = 5,343.84/x
  3. Step 3: Cross multiply
    17,029.71x = 25,544.53 × 5,343.84
  4. Step 4: Simplify right side
    17,029.71x = 136,505,881.20
  5. Step 5: Solve for x
    x = 136,505,881.20/17,029.71
  6. Step 6: Final answer
    x = 8,015.75

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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.