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Finding the Fourth Proportional to 10,654.82, 14,700.48 and 6,178.34

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Solution

The fourth proportional to 10,654.82, 14,700.48 and 6,178.34 is: 8,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.82 : 14,700.48 = 6,178.34 : x
  2. Step 2: Convert to fraction form
    10,654.82/14,700.48 = 6,178.34/x
  3. Step 3: Cross multiply
    10,654.82x = 14,700.48 × 6,178.34
  4. Step 4: Simplify right side
    10,654.82x = 90,824,563.60
  5. Step 5: Solve for x
    x = 90,824,563.60/10,654.82
  6. Step 6: Final answer
    x = 8,524.27

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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.