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Finding the Fourth Proportional to 52,804.35, 79,189.78 and 17,257.63

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Solution

The fourth proportional to 52,804.35, 79,189.78 and 17,257.63 is: 25,880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,804.35 : 79,189.78 = 17,257.63 : x
  2. Step 2: Convert to fraction form
    52,804.35/79,189.78 = 17,257.63/x
  3. Step 3: Cross multiply
    52,804.35x = 79,189.78 × 17,257.63
  4. Step 4: Simplify right side
    52,804.35x = 1,366,627,681.90
  5. Step 5: Solve for x
    x = 1,366,627,681.90/52,804.35
  6. Step 6: Final answer
    x = 25,880.97

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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.