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Finding the Fourth Proportional to 66,999.29, 92,460.17 and 36,785.89

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Solution

The fourth proportional to 66,999.29, 92,460.17 and 36,785.89 is: 50,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,999.29 : 92,460.17 = 36,785.89 : x
  2. Step 2: Convert to fraction form
    66,999.29/92,460.17 = 36,785.89/x
  3. Step 3: Cross multiply
    66,999.29x = 92,460.17 × 36,785.89
  4. Step 4: Simplify right side
    66,999.29x = 3,401,229,503.82
  5. Step 5: Solve for x
    x = 3,401,229,503.82/66,999.29
  6. Step 6: Final answer
    x = 50,765.16

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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.