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Finding the Fourth Proportional to 57,694.60, 86,541.90 and 37,995.40

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Solution

The fourth proportional to 57,694.60, 86,541.90 and 37,995.40 is: 56,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,694.60 : 86,541.90 = 37,995.40 : x
  2. Step 2: Convert to fraction form
    57,694.60/86,541.90 = 37,995.40/x
  3. Step 3: Cross multiply
    57,694.60x = 86,541.90 × 37,995.40
  4. Step 4: Simplify right side
    57,694.60x = 3,288,194,107.26
  5. Step 5: Solve for x
    x = 3,288,194,107.26/57,694.60
  6. Step 6: Final answer
    x = 56,993.10

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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.