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Finding the Fourth Proportional to 57,436, 79,260.90 and 32,285.56

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Solution

The fourth proportional to 57,436, 79,260.90 and 32,285.56 is: 44,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,436 : 79,260.90 = 32,285.56 : x
  2. Step 2: Convert to fraction form
    57,436/79,260.90 = 32,285.56/x
  3. Step 3: Cross multiply
    57,436x = 79,260.90 × 32,285.56
  4. Step 4: Simplify right side
    57,436x = 2,558,982,542.60
  5. Step 5: Solve for x
    x = 2,558,982,542.60/57,436
  6. Step 6: Final answer
    x = 44,553.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.