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Finding the Fourth Proportional to 53,425.67, 79,974.45 and 33,611.45

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Solution

The fourth proportional to 53,425.67, 79,974.45 and 33,611.45 is: 50,313.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,425.67 : 79,974.45 = 33,611.45 : x
  2. Step 2: Convert to fraction form
    53,425.67/79,974.45 = 33,611.45/x
  3. Step 3: Cross multiply
    53,425.67x = 79,974.45 × 33,611.45
  4. Step 4: Simplify right side
    53,425.67x = 2,688,056,827.58
  5. Step 5: Solve for x
    x = 2,688,056,827.58/53,425.67
  6. Step 6: Final answer
    x = 50,313.96

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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.