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Finding the Fourth Proportional to 57,179.88, 78,891.16 and 37,004.80

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Solution

The fourth proportional to 57,179.88, 78,891.16 and 37,004.80 is: 51,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,179.88 : 78,891.16 = 37,004.80 : x
  2. Step 2: Convert to fraction form
    57,179.88/78,891.16 = 37,004.80/x
  3. Step 3: Cross multiply
    57,179.88x = 78,891.16 × 37,004.80
  4. Step 4: Simplify right side
    57,179.88x = 2,919,351,597.57
  5. Step 5: Solve for x
    x = 2,919,351,597.57/57,179.88
  6. Step 6: Final answer
    x = 51,055.57

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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.