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Finding the Fourth Proportional to 66,540.77, 91,827.65 and 36,327.36

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Solution

The fourth proportional to 66,540.77, 91,827.65 and 36,327.36 is: 50,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,540.77 : 91,827.65 = 36,327.36 : x
  2. Step 2: Convert to fraction form
    66,540.77/91,827.65 = 36,327.36/x
  3. Step 3: Cross multiply
    66,540.77x = 91,827.65 × 36,327.36
  4. Step 4: Simplify right side
    66,540.77x = 3,335,855,917.87
  5. Step 5: Solve for x
    x = 3,335,855,917.87/66,540.77
  6. Step 6: Final answer
    x = 50,132.52

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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.