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Finding the Fourth Proportional to 73,028.91, 100,780.88 and 41,197.71

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Solution

The fourth proportional to 73,028.91, 100,780.88 and 41,197.71 is: 56,853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,028.91 : 100,780.88 = 41,197.71 : x
  2. Step 2: Convert to fraction form
    73,028.91/100,780.88 = 41,197.71/x
  3. Step 3: Cross multiply
    73,028.91x = 100,780.88 × 41,197.71
  4. Step 4: Simplify right side
    73,028.91x = 4,151,941,261.80
  5. Step 5: Solve for x
    x = 4,151,941,261.80/73,028.91
  6. Step 6: Final answer
    x = 56,853.39

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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.