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Finding the Fourth Proportional to 56,656.70, 85,033.65 and 25,115.30

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Solution

The fourth proportional to 56,656.70, 85,033.65 and 25,115.30 is: 37,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,656.70 : 85,033.65 = 25,115.30 : x
  2. Step 2: Convert to fraction form
    56,656.70/85,033.65 = 25,115.30/x
  3. Step 3: Cross multiply
    56,656.70x = 85,033.65 × 25,115.30
  4. Step 4: Simplify right side
    56,656.70x = 2,135,645,629.85
  5. Step 5: Solve for x
    x = 2,135,645,629.85/56,656.70
  6. Step 6: Final answer
    x = 37,694.49

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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.