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Finding the Fourth Proportional to 66,282.84, 91,468.48 and 36,067.46

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Solution

The fourth proportional to 66,282.84, 91,468.48 and 36,067.46 is: 49,772.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,282.84 : 91,468.48 = 36,067.46 : x
  2. Step 2: Convert to fraction form
    66,282.84/91,468.48 = 36,067.46/x
  3. Step 3: Cross multiply
    66,282.84x = 91,468.48 × 36,067.46
  4. Step 4: Simplify right side
    66,282.84x = 3,299,035,778.29
  5. Step 5: Solve for x
    x = 3,299,035,778.29/66,282.84
  6. Step 6: Final answer
    x = 49,772.09

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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.