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Finding the Fourth Proportional to 66,757.78, 92,125.66 and 36,542.82

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Solution

The fourth proportional to 66,757.78, 92,125.66 and 36,542.82 is: 50,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,757.78 : 92,125.66 = 36,542.82 : x
  2. Step 2: Convert to fraction form
    66,757.78/92,125.66 = 36,542.82/x
  3. Step 3: Cross multiply
    66,757.78x = 92,125.66 × 36,542.82
  4. Step 4: Simplify right side
    66,757.78x = 3,366,531,410.76
  5. Step 5: Solve for x
    x = 3,366,531,410.76/66,757.78
  6. Step 6: Final answer
    x = 50,429.05

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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.