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Finding the Fourth Proportional to 35,963.56, 53,919.78 and 13,758.22

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Solution

The fourth proportional to 35,963.56, 53,919.78 and 13,758.22 is: 20,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,963.56 : 53,919.78 = 13,758.22 : x
  2. Step 2: Convert to fraction form
    35,963.56/53,919.78 = 13,758.22/x
  3. Step 3: Cross multiply
    35,963.56x = 53,919.78 × 13,758.22
  4. Step 4: Simplify right side
    35,963.56x = 741,840,195.59
  5. Step 5: Solve for x
    x = 741,840,195.59/35,963.56
  6. Step 6: Final answer
    x = 20,627.55

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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.