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Finding the Fourth Proportional to 66,550.94, 91,837.68 and 36,337.54

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Solution

The fourth proportional to 66,550.94, 91,837.68 and 36,337.54 is: 50,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,550.94 : 91,837.68 = 36,337.54 : x
  2. Step 2: Convert to fraction form
    66,550.94/91,837.68 = 36,337.54/x
  3. Step 3: Cross multiply
    66,550.94x = 91,837.68 × 36,337.54
  4. Step 4: Simplify right side
    66,550.94x = 3,337,155,004.65
  5. Step 5: Solve for x
    x = 3,337,155,004.65/66,550.94
  6. Step 6: Final answer
    x = 50,144.37

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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.