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Finding the Fourth Proportional to 56,660.56, 84,991.04 and 15,107.56

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Solution

The fourth proportional to 56,660.56, 84,991.04 and 15,107.56 is: 22,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,660.56 : 84,991.04 = 15,107.56 : x
  2. Step 2: Convert to fraction form
    56,660.56/84,991.04 = 15,107.56/x
  3. Step 3: Cross multiply
    56,660.56x = 84,991.04 × 15,107.56
  4. Step 4: Simplify right side
    56,660.56x = 1,284,007,236.26
  5. Step 5: Solve for x
    x = 1,284,007,236.26/56,660.56
  6. Step 6: Final answer
    x = 22,661.39

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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.