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Finding the Fourth Proportional to 57,309.10, 86,000.10 and 33,616.60

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Solution

The fourth proportional to 57,309.10, 86,000.10 and 33,616.60 is: 50,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,309.10 : 86,000.10 = 33,616.60 : x
  2. Step 2: Convert to fraction form
    57,309.10/86,000.10 = 33,616.60/x
  3. Step 3: Cross multiply
    57,309.10x = 86,000.10 × 33,616.60
  4. Step 4: Simplify right side
    57,309.10x = 2,891,030,961.66
  5. Step 5: Solve for x
    x = 2,891,030,961.66/57,309.10
  6. Step 6: Final answer
    x = 50,446.28

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1.5x scale

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.