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Finding the Fourth Proportional to 66,755.64, 92,175.66 and 41,299.32

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Solution

The fourth proportional to 66,755.64, 92,175.66 and 41,299.32 is: 57,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,755.64 : 92,175.66 = 41,299.32 : x
  2. Step 2: Convert to fraction form
    66,755.64/92,175.66 = 41,299.32/x
  3. Step 3: Cross multiply
    66,755.64x = 92,175.66 × 41,299.32
  4. Step 4: Simplify right side
    66,755.64x = 3,806,792,078.55
  5. Step 5: Solve for x
    x = 3,806,792,078.55/66,755.64
  6. Step 6: Final answer
    x = 57,025.77

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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.