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Finding the Fourth Proportional to 56,292.40, 84,427.80 and 16,850.80

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Solution

The fourth proportional to 56,292.40, 84,427.80 and 16,850.80 is: 25,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,292.40 : 84,427.80 = 16,850.80 : x
  2. Step 2: Convert to fraction form
    56,292.40/84,427.80 = 16,850.80/x
  3. Step 3: Cross multiply
    56,292.40x = 84,427.80 × 16,850.80
  4. Step 4: Simplify right side
    56,292.40x = 1,422,675,972.24
  5. Step 5: Solve for x
    x = 1,422,675,972.24/56,292.40
  6. Step 6: Final answer
    x = 25,272.97

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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.