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Finding the Fourth Proportional to 67,181.58, 100,738.32 and 37,591.47

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Solution

The fourth proportional to 67,181.58, 100,738.32 and 37,591.47 is: 56,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,181.58 : 100,738.32 = 37,591.47 : x
  2. Step 2: Convert to fraction form
    67,181.58/100,738.32 = 37,591.47/x
  3. Step 3: Cross multiply
    67,181.58x = 100,738.32 × 37,591.47
  4. Step 4: Simplify right side
    67,181.58x = 3,786,901,534.13
  5. Step 5: Solve for x
    x = 3,786,901,534.13/67,181.58
  6. Step 6: Final answer
    x = 56,368.15

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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.