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Finding the Fourth Proportional to 66,732.60, 92,090.98 and 36,517.93

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Solution

The fourth proportional to 66,732.60, 92,090.98 and 36,517.93 is: 50,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,732.60 : 92,090.98 = 36,517.93 : x
  2. Step 2: Convert to fraction form
    66,732.60/92,090.98 = 36,517.93/x
  3. Step 3: Cross multiply
    66,732.60x = 92,090.98 × 36,517.93
  4. Step 4: Simplify right side
    66,732.60x = 3,362,971,961.27
  5. Step 5: Solve for x
    x = 3,362,971,961.27/66,732.60
  6. Step 6: Final answer
    x = 50,394.74

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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.