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Finding the Fourth Proportional to 66,574.00, 91,871.63 and 36,359.33

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Solution

The fourth proportional to 66,574.00, 91,871.63 and 36,359.33 is: 50,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,574.00 : 91,871.63 = 36,359.33 : x
  2. Step 2: Convert to fraction form
    66,574.00/91,871.63 = 36,359.33/x
  3. Step 3: Cross multiply
    66,574.00x = 91,871.63 × 36,359.33
  4. Step 4: Simplify right side
    66,574.00x = 3,340,391,129.30
  5. Step 5: Solve for x
    x = 3,340,391,129.30/66,574.00
  6. Step 6: Final answer
    x = 50,175.61

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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.