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Finding the Fourth Proportional to 66,002.22, 91,082.07 and 35,786.94

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Solution

The fourth proportional to 66,002.22, 91,082.07 and 35,786.94 is: 49,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,002.22 : 91,082.07 = 35,786.94 : x
  2. Step 2: Convert to fraction form
    66,002.22/91,082.07 = 35,786.94/x
  3. Step 3: Cross multiply
    66,002.22x = 91,082.07 × 35,786.94
  4. Step 4: Simplify right side
    66,002.22x = 3,259,548,574.17
  5. Step 5: Solve for x
    x = 3,259,548,574.17/66,002.22
  6. Step 6: Final answer
    x = 49,385.44

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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.