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Finding the Fourth Proportional to 45,900.51, 68,786.12 and 36,498.80

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Solution

The fourth proportional to 45,900.51, 68,786.12 and 36,498.80 is: 54,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,900.51 : 68,786.12 = 36,498.80 : x
  2. Step 2: Convert to fraction form
    45,900.51/68,786.12 = 36,498.80/x
  3. Step 3: Cross multiply
    45,900.51x = 68,786.12 × 36,498.80
  4. Step 4: Simplify right side
    45,900.51x = 2,510,610,310.23
  5. Step 5: Solve for x
    x = 2,510,610,310.23/45,900.51
  6. Step 6: Final answer
    x = 54,696.78

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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.