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Finding the Fourth Proportional to 55,074.60, 82,911.60 and 50,175.72

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Solution

The fourth proportional to 55,074.60, 82,911.60 and 50,175.72 is: 75,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,074.60 : 82,911.60 = 50,175.72 : x
  2. Step 2: Convert to fraction form
    55,074.60/82,911.60 = 50,175.72/x
  3. Step 3: Cross multiply
    55,074.60x = 82,911.60 × 50,175.72
  4. Step 4: Simplify right side
    55,074.60x = 4,160,149,226.35
  5. Step 5: Solve for x
    x = 4,160,149,226.35/55,074.60
  6. Step 6: Final answer
    x = 75,536.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.