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Finding the Fourth Proportional to 33,687.60, 50,563.80 and 17,066.40

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Solution

The fourth proportional to 33,687.60, 50,563.80 and 17,066.40 is: 25,616.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,687.60 : 50,563.80 = 17,066.40 : x
  2. Step 2: Convert to fraction form
    33,687.60/50,563.80 = 17,066.40/x
  3. Step 3: Cross multiply
    33,687.60x = 50,563.80 × 17,066.40
  4. Step 4: Simplify right side
    33,687.60x = 862,942,036.32
  5. Step 5: Solve for x
    x = 862,942,036.32/33,687.60
  6. Step 6: Final answer
    x = 25,616.01

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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.