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Finding the Fourth Proportional to 50,730.60, 68,538.15 and 50,730.60

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Solution

The fourth proportional to 50,730.60, 68,538.15 and 50,730.60 is: 68,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,730.60 : 68,538.15 = 50,730.60 : x
  2. Step 2: Convert to fraction form
    50,730.60/68,538.15 = 50,730.60/x
  3. Step 3: Cross multiply
    50,730.60x = 68,538.15 × 50,730.60
  4. Step 4: Simplify right side
    50,730.60x = 3,476,981,472.39
  5. Step 5: Solve for x
    x = 3,476,981,472.39/50,730.60
  6. Step 6: Final answer
    x = 68,538.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.