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Finding the Fourth Proportional to 66,575.43, 91,873.63 and 36,360.77

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Solution

The fourth proportional to 66,575.43, 91,873.63 and 36,360.77 is: 50,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,575.43 : 91,873.63 = 36,360.77 : x
  2. Step 2: Convert to fraction form
    66,575.43/91,873.63 = 36,360.77/x
  3. Step 3: Cross multiply
    66,575.43x = 91,873.63 × 36,360.77
  4. Step 4: Simplify right side
    66,575.43x = 3,340,595,288.32
  5. Step 5: Solve for x
    x = 3,340,595,288.32/66,575.43
  6. Step 6: Final answer
    x = 50,177.60

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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.