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Finding the Fourth Proportional to 68,550.63, 94,610.87 and 40,250.85

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Solution

The fourth proportional to 68,550.63, 94,610.87 and 40,250.85 is: 55,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,550.63 : 94,610.87 = 40,250.85 : x
  2. Step 2: Convert to fraction form
    68,550.63/94,610.87 = 40,250.85/x
  3. Step 3: Cross multiply
    68,550.63x = 94,610.87 × 40,250.85
  4. Step 4: Simplify right side
    68,550.63x = 3,808,167,936.74
  5. Step 5: Solve for x
    x = 3,808,167,936.74/68,550.63
  6. Step 6: Final answer
    x = 55,552.63

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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.