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Finding the Fourth Proportional to 45,786.75, 68,992.13 and 37,649.07

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Solution

The fourth proportional to 45,786.75, 68,992.13 and 37,649.07 is: 56,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786.75 : 68,992.13 = 37,649.07 : x
  2. Step 2: Convert to fraction form
    45,786.75/68,992.13 = 37,649.07/x
  3. Step 3: Cross multiply
    45,786.75x = 68,992.13 × 37,649.07
  4. Step 4: Simplify right side
    45,786.75x = 2,597,489,343.57
  5. Step 5: Solve for x
    x = 2,597,489,343.57/45,786.75
  6. Step 6: Final answer
    x = 56,730.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.