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Finding the Fourth Proportional to 57,359.39, 79,161.60 and 33,161.40

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Solution

The fourth proportional to 57,359.39, 79,161.60 and 33,161.40 is: 45,766.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,359.39 : 79,161.60 = 33,161.40 : x
  2. Step 2: Convert to fraction form
    57,359.39/79,161.60 = 33,161.40/x
  3. Step 3: Cross multiply
    57,359.39x = 79,161.60 × 33,161.40
  4. Step 4: Simplify right side
    57,359.39x = 2,625,109,606.60
  5. Step 5: Solve for x
    x = 2,625,109,606.60/57,359.39
  6. Step 6: Final answer
    x = 45,766.00

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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.