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Finding the Fourth Proportional to 57,939.94, 79,958.25 and 37,809.70

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Solution

The fourth proportional to 57,939.94, 79,958.25 and 37,809.70 is: 52,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,939.94 : 79,958.25 = 37,809.70 : x
  2. Step 2: Convert to fraction form
    57,939.94/79,958.25 = 37,809.70/x
  3. Step 3: Cross multiply
    57,939.94x = 79,958.25 × 37,809.70
  4. Step 4: Simplify right side
    57,939.94x = 3,023,197,445.03
  5. Step 5: Solve for x
    x = 3,023,197,445.03/57,939.94
  6. Step 6: Final answer
    x = 52,178.13

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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.