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Finding the Fourth Proportional to 86,563.92, 129,862.71 and 33,252

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Solution

The fourth proportional to 86,563.92, 129,862.71 and 33,252 is: 49,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,563.92 : 129,862.71 = 33,252 : x
  2. Step 2: Convert to fraction form
    86,563.92/129,862.71 = 33,252/x
  3. Step 3: Cross multiply
    86,563.92x = 129,862.71 × 33,252
  4. Step 4: Simplify right side
    86,563.92x = 4,318,194,832.92
  5. Step 5: Solve for x
    x = 4,318,194,832.92/86,563.92
  6. Step 6: Final answer
    x = 49,884.46

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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.