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Finding the Fourth Proportional to 66,891.48, 92,372.73 and 43,059.57

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Solution

The fourth proportional to 66,891.48, 92,372.73 and 43,059.57 is: 59,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,891.48 : 92,372.73 = 43,059.57 : x
  2. Step 2: Convert to fraction form
    66,891.48/92,372.73 = 43,059.57/x
  3. Step 3: Cross multiply
    66,891.48x = 92,372.73 × 43,059.57
  4. Step 4: Simplify right side
    66,891.48x = 3,977,530,033.53
  5. Step 5: Solve for x
    x = 3,977,530,033.53/66,891.48
  6. Step 6: Final answer
    x = 59,462.43

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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.