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Finding the Fourth Proportional to 57,504.49, 86,264.84 and 20,059.10

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Solution

The fourth proportional to 57,504.49, 86,264.84 and 20,059.10 is: 30,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,504.49 : 86,264.84 = 20,059.10 : x
  2. Step 2: Convert to fraction form
    57,504.49/86,264.84 = 20,059.10/x
  3. Step 3: Cross multiply
    57,504.49x = 86,264.84 × 20,059.10
  4. Step 4: Simplify right side
    57,504.49x = 1,730,395,350.46
  5. Step 5: Solve for x
    x = 1,730,395,350.46/57,504.49
  6. Step 6: Final answer
    x = 30,091.48

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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.