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Finding the Fourth Proportional to 66,706.66, 92,060.18 and 38,027

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Solution

The fourth proportional to 66,706.66, 92,060.18 and 38,027 is: 52,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,706.66 : 92,060.18 = 38,027 : x
  2. Step 2: Convert to fraction form
    66,706.66/92,060.18 = 38,027/x
  3. Step 3: Cross multiply
    66,706.66x = 92,060.18 × 38,027
  4. Step 4: Simplify right side
    66,706.66x = 3,500,772,464.86
  5. Step 5: Solve for x
    x = 3,500,772,464.86/66,706.66
  6. Step 6: Final answer
    x = 52,480.10

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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.