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Finding the Fourth Proportional to 66,664.11, 92,002.14 and 37,992.54

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Solution

The fourth proportional to 66,664.11, 92,002.14 and 37,992.54 is: 52,432.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,664.11 : 92,002.14 = 37,992.54 : x
  2. Step 2: Convert to fraction form
    66,664.11/92,002.14 = 37,992.54/x
  3. Step 3: Cross multiply
    66,664.11x = 92,002.14 × 37,992.54
  4. Step 4: Simplify right side
    66,664.11x = 3,495,394,524.02
  5. Step 5: Solve for x
    x = 3,495,394,524.02/66,664.11
  6. Step 6: Final answer
    x = 52,432.93

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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.