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Finding the Fourth Proportional to 66,002.56, 91,082.95 and 37,327.84

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Solution

The fourth proportional to 66,002.56, 91,082.95 and 37,327.84 is: 51,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,002.56 : 91,082.95 = 37,327.84 : x
  2. Step 2: Convert to fraction form
    66,002.56/91,082.95 = 37,327.84/x
  3. Step 3: Cross multiply
    66,002.56x = 91,082.95 × 37,327.84
  4. Step 4: Simplify right side
    66,002.56x = 3,399,929,784.33
  5. Step 5: Solve for x
    x = 3,399,929,784.33/66,002.56
  6. Step 6: Final answer
    x = 51,512.09

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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.