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Finding the Fourth Proportional to 17,039.84, 25,583.68 and 8,725.84

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Solution

The fourth proportional to 17,039.84, 25,583.68 and 8,725.84 is: 13,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,039.84 : 25,583.68 = 8,725.84 : x
  2. Step 2: Convert to fraction form
    17,039.84/25,583.68 = 8,725.84/x
  3. Step 3: Cross multiply
    17,039.84x = 25,583.68 × 8,725.84
  4. Step 4: Simplify right side
    17,039.84x = 223,239,098.29
  5. Step 5: Solve for x
    x = 223,239,098.29/17,039.84
  6. Step 6: Final answer
    x = 13,101.01

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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.