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Finding the Fourth Proportional to 45,900.99, 68,786.86 and 36,499.28

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Solution

The fourth proportional to 45,900.99, 68,786.86 and 36,499.28 is: 54,697.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,900.99 : 68,786.86 = 36,499.28 : x
  2. Step 2: Convert to fraction form
    45,900.99/68,786.86 = 36,499.28/x
  3. Step 3: Cross multiply
    45,900.99x = 68,786.86 × 36,499.28
  4. Step 4: Simplify right side
    45,900.99x = 2,510,671,025.78
  5. Step 5: Solve for x
    x = 2,510,671,025.78/45,900.99
  6. Step 6: Final answer
    x = 54,697.53

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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.