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Finding the Fourth Proportional to 66,166.78, 91,310.52 and 35,952.34

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Solution

The fourth proportional to 66,166.78, 91,310.52 and 35,952.34 is: 49,614.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,166.78 : 91,310.52 = 35,952.34 : x
  2. Step 2: Convert to fraction form
    66,166.78/91,310.52 = 35,952.34/x
  3. Step 3: Cross multiply
    66,166.78x = 91,310.52 × 35,952.34
  4. Step 4: Simplify right side
    66,166.78x = 3,282,826,860.62
  5. Step 5: Solve for x
    x = 3,282,826,860.62/66,166.78
  6. Step 6: Final answer
    x = 49,614.43

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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.