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Finding the Fourth Proportional to 68,560.60, 102,725.70 and 33,424.60

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Solution

The fourth proportional to 68,560.60, 102,725.70 and 33,424.60 is: 50,080.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,560.60 : 102,725.70 = 33,424.60 : x
  2. Step 2: Convert to fraction form
    68,560.60/102,725.70 = 33,424.60/x
  3. Step 3: Cross multiply
    68,560.60x = 102,725.70 × 33,424.60
  4. Step 4: Simplify right side
    68,560.60x = 3,433,565,432.22
  5. Step 5: Solve for x
    x = 3,433,565,432.22/68,560.60
  6. Step 6: Final answer
    x = 50,080.74

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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.