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Finding the Fourth Proportional to 66,857.63, 92,267.62 and 38,563.31

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Solution

The fourth proportional to 66,857.63, 92,267.62 and 38,563.31 is: 53,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,857.63 : 92,267.62 = 38,563.31 : x
  2. Step 2: Convert to fraction form
    66,857.63/92,267.62 = 38,563.31/x
  3. Step 3: Cross multiply
    66,857.63x = 92,267.62 × 38,563.31
  4. Step 4: Simplify right side
    66,857.63x = 3,558,144,967.28
  5. Step 5: Solve for x
    x = 3,558,144,967.28/66,857.63
  6. Step 6: Final answer
    x = 53,219.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.