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Finding the Fourth Proportional to 66,755.51, 92,122.73 and 36,542.75

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Solution

The fourth proportional to 66,755.51, 92,122.73 and 36,542.75 is: 50,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,755.51 : 92,122.73 = 36,542.75 : x
  2. Step 2: Convert to fraction form
    66,755.51/92,122.73 = 36,542.75/x
  3. Step 3: Cross multiply
    66,755.51x = 92,122.73 × 36,542.75
  4. Step 4: Simplify right side
    66,755.51x = 3,366,418,213.37
  5. Step 5: Solve for x
    x = 3,366,418,213.37/66,755.51
  6. Step 6: Final answer
    x = 50,429.07

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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.